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Finding the Fourth Proportional to 2,727.54, 3,769.11 and 2,229.99

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Solution

The fourth proportional to 2,727.54, 3,769.11 and 2,229.99 is: 3,081.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727.54 : 3,769.11 = 2,229.99 : x
  2. Step 2: Convert to fraction form
    2,727.54/3,769.11 = 2,229.99/x
  3. Step 3: Cross multiply
    2,727.54x = 3,769.11 × 2,229.99
  4. Step 4: Simplify right side
    2,727.54x = 8,405,077.61
  5. Step 5: Solve for x
    x = 8,405,077.61/2,727.54
  6. Step 6: Final answer
    x = 3,081.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.