Home / 1,471.92-2,032.85-913.73

Finding the Fourth Proportional to 1,471.92, 2,032.85 and 913.73

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Solution

The fourth proportional to 1,471.92, 2,032.85 and 913.73 is: 1,261.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471.92 : 2,032.85 = 913.73 : x
  2. Step 2: Convert to fraction form
    1,471.92/2,032.85 = 913.73/x
  3. Step 3: Cross multiply
    1,471.92x = 2,032.85 × 913.73
  4. Step 4: Simplify right side
    1,471.92x = 1,857,461.30
  5. Step 5: Solve for x
    x = 1,857,461.30/1,471.92
  6. Step 6: Final answer
    x = 1,261.93

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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.