Home / 2,185.27-3,278.36-724.53

Finding the Fourth Proportional to 2,185.27, 3,278.36 and 724.53

Calculator

Solution

The fourth proportional to 2,185.27, 3,278.36 and 724.53 is: 1,086.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185.27 : 3,278.36 = 724.53 : x
  2. Step 2: Convert to fraction form
    2,185.27/3,278.36 = 724.53/x
  3. Step 3: Cross multiply
    2,185.27x = 3,278.36 × 724.53
  4. Step 4: Simplify right side
    2,185.27x = 2,375,270.17
  5. Step 5: Solve for x
    x = 2,375,270.17/2,185.27
  6. Step 6: Final answer
    x = 1,086.95

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.