Home / 3,733.28-5,151.18-2,140.43

Finding the Fourth Proportional to 3,733.28, 5,151.18 and 2,140.43

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Solution

The fourth proportional to 3,733.28, 5,151.18 and 2,140.43 is: 2,953.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,733.28 : 5,151.18 = 2,140.43 : x
  2. Step 2: Convert to fraction form
    3,733.28/5,151.18 = 2,140.43/x
  3. Step 3: Cross multiply
    3,733.28x = 5,151.18 × 2,140.43
  4. Step 4: Simplify right side
    3,733.28x = 11,025,753.09
  5. Step 5: Solve for x
    x = 11,025,753.09/3,733.28
  6. Step 6: Final answer
    x = 2,953.37

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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.