Home / 1,447.92-2,000.16-1,270.62

Finding the Fourth Proportional to 1,447.92, 2,000.16 and 1,270.62

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Solution

The fourth proportional to 1,447.92, 2,000.16 and 1,270.62 is: 1,755.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447.92 : 2,000.16 = 1,270.62 : x
  2. Step 2: Convert to fraction form
    1,447.92/2,000.16 = 1,270.62/x
  3. Step 3: Cross multiply
    1,447.92x = 2,000.16 × 1,270.62
  4. Step 4: Simplify right side
    1,447.92x = 2,541,443.30
  5. Step 5: Solve for x
    x = 2,541,443.30/1,447.92
  6. Step 6: Final answer
    x = 1,755.24

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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.