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Finding the Fourth Proportional to 3,700.99, 5,104.97 and 2,491.71

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Solution

The fourth proportional to 3,700.99, 5,104.97 and 2,491.71 is: 3,436.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,700.99 : 5,104.97 = 2,491.71 : x
  2. Step 2: Convert to fraction form
    3,700.99/5,104.97 = 2,491.71/x
  3. Step 3: Cross multiply
    3,700.99x = 5,104.97 × 2,491.71
  4. Step 4: Simplify right side
    3,700.99x = 12,720,125.27
  5. Step 5: Solve for x
    x = 12,720,125.27/3,700.99
  6. Step 6: Final answer
    x = 3,436.95

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1.5x scale

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.