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Finding the Fourth Proportional to 3,247.65, 4,867.80 and 1,600.74

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Solution

The fourth proportional to 3,247.65, 4,867.80 and 1,600.74 is: 2,399.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.65 : 4,867.80 = 1,600.74 : x
  2. Step 2: Convert to fraction form
    3,247.65/4,867.80 = 1,600.74/x
  3. Step 3: Cross multiply
    3,247.65x = 4,867.80 × 1,600.74
  4. Step 4: Simplify right side
    3,247.65x = 7,792,082.17
  5. Step 5: Solve for x
    x = 7,792,082.17/3,247.65
  6. Step 6: Final answer
    x = 2,399.30

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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.