Dominate the CMPM Challenge 2026 – Master Your Project Management Moves!

The triple constraint describes the interdependent relationship among scope, time (schedule), and cost (budget) in a project. When you adjust one, the others usually shift to keep delivery feasible. For example, adding more features (increasing scope) typically requires more time and more money. If you need to finish sooner, you either speed up work (which increases cost) or reduce scope. If you have less money, you must trim scope or extend the schedule to maintain quality. The idea is to manage trade-offs among these three to achieve a successful outcome.

Other options point to different areas, like governance and stakeholder involvement, or to quality, risk, and resources, or to procurement and testing. They’re important aspects of project management but don’t define the balance described by the triple constraint.