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Finding the Fourth Proportional to 2,234.27, 3,349.13 and 772.18

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Solution

The fourth proportional to 2,234.27, 3,349.13 and 772.18 is: 1,157.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,234.27 : 3,349.13 = 772.18 : x
  2. Step 2: Convert to fraction form
    2,234.27/3,349.13 = 772.18/x
  3. Step 3: Cross multiply
    2,234.27x = 3,349.13 × 772.18
  4. Step 4: Simplify right side
    2,234.27x = 2,586,118.97
  5. Step 5: Solve for x
    x = 2,586,118.97/2,234.27
  6. Step 6: Final answer
    x = 1,157.48

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1.5x scale

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.