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Finding the Fourth Proportional to 2,912.52, 4,370.12 and 1,351.52

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Solution

The fourth proportional to 2,912.52, 4,370.12 and 1,351.52 is: 2,027.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.52 : 4,370.12 = 1,351.52 : x
  2. Step 2: Convert to fraction form
    2,912.52/4,370.12 = 1,351.52/x
  3. Step 3: Cross multiply
    2,912.52x = 4,370.12 × 1,351.52
  4. Step 4: Simplify right side
    2,912.52x = 5,906,304.58
  5. Step 5: Solve for x
    x = 5,906,304.58/2,912.52
  6. Step 6: Final answer
    x = 2,027.90

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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.