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Finding the Fourth Proportional to 3,453.27, 4,766.15 and 3,242.27

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Solution

The fourth proportional to 3,453.27, 4,766.15 and 3,242.27 is: 4,474.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.27 : 4,766.15 = 3,242.27 : x
  2. Step 2: Convert to fraction form
    3,453.27/4,766.15 = 3,242.27/x
  3. Step 3: Cross multiply
    3,453.27x = 4,766.15 × 3,242.27
  4. Step 4: Simplify right side
    3,453.27x = 15,453,129.44
  5. Step 5: Solve for x
    x = 15,453,129.44/3,453.27
  6. Step 6: Final answer
    x = 4,474.93

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1.5x scale

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.