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Finding the Fourth Proportional to 3,648.92, 5,472 and 1,308.29

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Solution

The fourth proportional to 3,648.92, 5,472 and 1,308.29 is: 1,961.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648.92 : 5,472 = 1,308.29 : x
  2. Step 2: Convert to fraction form
    3,648.92/5,472 = 1,308.29/x
  3. Step 3: Cross multiply
    3,648.92x = 5,472 × 1,308.29
  4. Step 4: Simplify right side
    3,648.92x = 7,158,935.52
  5. Step 5: Solve for x
    x = 7,158,935.52/3,648.92
  6. Step 6: Final answer
    x = 1,961.94

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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.