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Finding the Fourth Proportional to 1,953.92, 2,930.32 and 1,337.52

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Solution

The fourth proportional to 1,953.92, 2,930.32 and 1,337.52 is: 2,005.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953.92 : 2,930.32 = 1,337.52 : x
  2. Step 2: Convert to fraction form
    1,953.92/2,930.32 = 1,337.52/x
  3. Step 3: Cross multiply
    1,953.92x = 2,930.32 × 1,337.52
  4. Step 4: Simplify right side
    1,953.92x = 3,919,361.61
  5. Step 5: Solve for x
    x = 3,919,361.61/1,953.92
  6. Step 6: Final answer
    x = 2,005.90

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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.