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Finding the Fourth Proportional to 2,752.76, 4,123.29 and 2,164.97

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Solution

The fourth proportional to 2,752.76, 4,123.29 and 2,164.97 is: 3,242.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752.76 : 4,123.29 = 2,164.97 : x
  2. Step 2: Convert to fraction form
    2,752.76/4,123.29 = 2,164.97/x
  3. Step 3: Cross multiply
    2,752.76x = 4,123.29 × 2,164.97
  4. Step 4: Simplify right side
    2,752.76x = 8,926,799.15
  5. Step 5: Solve for x
    x = 8,926,799.15/2,752.76
  6. Step 6: Final answer
    x = 3,242.85

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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.