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Finding the Fourth Proportional to 3,677.92, 5,074.96 and 2,352.80

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Solution

The fourth proportional to 3,677.92, 5,074.96 and 2,352.80 is: 3,246.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.92 : 5,074.96 = 2,352.80 : x
  2. Step 2: Convert to fraction form
    3,677.92/5,074.96 = 2,352.80/x
  3. Step 3: Cross multiply
    3,677.92x = 5,074.96 × 2,352.80
  4. Step 4: Simplify right side
    3,677.92x = 11,940,365.89
  5. Step 5: Solve for x
    x = 11,940,365.89/3,677.92
  6. Step 6: Final answer
    x = 3,246.50

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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.