Home / 3,737.07-5,605.61-1,981.71

Finding the Fourth Proportional to 3,737.07, 5,605.61 and 1,981.71

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Solution

The fourth proportional to 3,737.07, 5,605.61 and 1,981.71 is: 2,972.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,737.07 : 5,605.61 = 1,981.71 : x
  2. Step 2: Convert to fraction form
    3,737.07/5,605.61 = 1,981.71/x
  3. Step 3: Cross multiply
    3,737.07x = 5,605.61 × 1,981.71
  4. Step 4: Simplify right side
    3,737.07x = 11,108,683.48
  5. Step 5: Solve for x
    x = 11,108,683.48/3,737.07
  6. Step 6: Final answer
    x = 2,972.57

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Similar ratio
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1.5x scale

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.