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Finding the Fourth Proportional to 2,796.82, 4,191.14 and 2,489.29

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Solution

The fourth proportional to 2,796.82, 4,191.14 and 2,489.29 is: 3,730.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,796.82 : 4,191.14 = 2,489.29 : x
  2. Step 2: Convert to fraction form
    2,796.82/4,191.14 = 2,489.29/x
  3. Step 3: Cross multiply
    2,796.82x = 4,191.14 × 2,489.29
  4. Step 4: Simplify right side
    2,796.82x = 10,432,958.64
  5. Step 5: Solve for x
    x = 10,432,958.64/2,796.82
  6. Step 6: Final answer
    x = 3,730.30

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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.