Home / 1,737.17-2,397.11-991.07

Finding the Fourth Proportional to 1,737.17, 2,397.11 and 991.07

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Solution

The fourth proportional to 1,737.17, 2,397.11 and 991.07 is: 1,367.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,737.17 : 2,397.11 = 991.07 : x
  2. Step 2: Convert to fraction form
    1,737.17/2,397.11 = 991.07/x
  3. Step 3: Cross multiply
    1,737.17x = 2,397.11 × 991.07
  4. Step 4: Simplify right side
    1,737.17x = 2,375,686.87
  5. Step 5: Solve for x
    x = 2,375,686.87/1,737.17
  6. Step 6: Final answer
    x = 1,367.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.