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Finding the Fourth Proportional to 3,445.92, 4,757.04 and 3,224.88

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Solution

The fourth proportional to 3,445.92, 4,757.04 and 3,224.88 is: 4,451.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.92 : 4,757.04 = 3,224.88 : x
  2. Step 2: Convert to fraction form
    3,445.92/4,757.04 = 3,224.88/x
  3. Step 3: Cross multiply
    3,445.92x = 4,757.04 × 3,224.88
  4. Step 4: Simplify right side
    3,445.92x = 15,340,883.16
  5. Step 5: Solve for x
    x = 15,340,883.16/3,445.92
  6. Step 6: Final answer
    x = 4,451.90

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1.5x scale

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.