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Finding the Fourth Proportional to 3,308.90, 4,959.86 and 2,527.20

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Solution

The fourth proportional to 3,308.90, 4,959.86 and 2,527.20 is: 3,788.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.90 : 4,959.86 = 2,527.20 : x
  2. Step 2: Convert to fraction form
    3,308.90/4,959.86 = 2,527.20/x
  3. Step 3: Cross multiply
    3,308.90x = 4,959.86 × 2,527.20
  4. Step 4: Simplify right side
    3,308.90x = 12,534,552.66
  5. Step 5: Solve for x
    x = 12,534,552.66/3,308.90
  6. Step 6: Final answer
    x = 3,788.13

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.