Home / 1,301.73-1,951.92-1,005.15

Finding the Fourth Proportional to 1,301.73, 1,951.92 and 1,005.15

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Solution

The fourth proportional to 1,301.73, 1,951.92 and 1,005.15 is: 1,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301.73 : 1,951.92 = 1,005.15 : x
  2. Step 2: Convert to fraction form
    1,301.73/1,951.92 = 1,005.15/x
  3. Step 3: Cross multiply
    1,301.73x = 1,951.92 × 1,005.15
  4. Step 4: Simplify right side
    1,301.73x = 1,961,972.39
  5. Step 5: Solve for x
    x = 1,961,972.39/1,301.73
  6. Step 6: Final answer
    x = 1,507.20

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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.