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Finding the Fourth Proportional to 3,562.92, 5,376.24 and 3,427.92

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Solution

The fourth proportional to 3,562.92, 5,376.24 and 3,427.92 is: 5,172.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,562.92 : 5,376.24 = 3,427.92 : x
  2. Step 2: Convert to fraction form
    3,562.92/5,376.24 = 3,427.92/x
  3. Step 3: Cross multiply
    3,562.92x = 5,376.24 × 3,427.92
  4. Step 4: Simplify right side
    3,562.92x = 18,429,320.62
  5. Step 5: Solve for x
    x = 18,429,320.62/3,562.92
  6. Step 6: Final answer
    x = 5,172.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.