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Finding the Fourth Proportional to 2,250, 3,104.91 and 1,255.27

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Solution

The fourth proportional to 2,250, 3,104.91 and 1,255.27 is: 1,732.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250 : 3,104.91 = 1,255.27 : x
  2. Step 2: Convert to fraction form
    2,250/3,104.91 = 1,255.27/x
  3. Step 3: Cross multiply
    2,250x = 3,104.91 × 1,255.27
  4. Step 4: Simplify right side
    2,250x = 3,897,500.38
  5. Step 5: Solve for x
    x = 3,897,500.38/2,250
  6. Step 6: Final answer
    x = 1,732.22

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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.