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Finding the Fourth Proportional to 3,654.03, 5,481.06 and 2,920.17

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Solution

The fourth proportional to 3,654.03, 5,481.06 and 2,920.17 is: 4,380.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654.03 : 5,481.06 = 2,920.17 : x
  2. Step 2: Convert to fraction form
    3,654.03/5,481.06 = 2,920.17/x
  3. Step 3: Cross multiply
    3,654.03x = 5,481.06 × 2,920.17
  4. Step 4: Simplify right side
    3,654.03x = 16,005,626.98
  5. Step 5: Solve for x
    x = 16,005,626.98/3,654.03
  6. Step 6: Final answer
    x = 4,380.27

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1.5x scale

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.