Home / 3,733.17-5,151.49-2,139.80

Finding the Fourth Proportional to 3,733.17, 5,151.49 and 2,139.80

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Solution

The fourth proportional to 3,733.17, 5,151.49 and 2,139.80 is: 2,952.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,733.17 : 5,151.49 = 2,139.80 : x
  2. Step 2: Convert to fraction form
    3,733.17/5,151.49 = 2,139.80/x
  3. Step 3: Cross multiply
    3,733.17x = 5,151.49 × 2,139.80
  4. Step 4: Simplify right side
    3,733.17x = 11,023,129.62
  5. Step 5: Solve for x
    x = 11,023,129.62/3,733.17
  6. Step 6: Final answer
    x = 2,952.76

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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.