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Finding the Fourth Proportional to 3,266.62, 4,906.23 and 2,799.15

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Solution

The fourth proportional to 3,266.62, 4,906.23 and 2,799.15 is: 4,204.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,266.62 : 4,906.23 = 2,799.15 : x
  2. Step 2: Convert to fraction form
    3,266.62/4,906.23 = 2,799.15/x
  3. Step 3: Cross multiply
    3,266.62x = 4,906.23 × 2,799.15
  4. Step 4: Simplify right side
    3,266.62x = 13,733,273.70
  5. Step 5: Solve for x
    x = 13,733,273.70/3,266.62
  6. Step 6: Final answer
    x = 4,204.12

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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.