Home / 3,456.43-4,770.92-3,280.12

Finding the Fourth Proportional to 3,456.43, 4,770.92 and 3,280.12

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Solution

The fourth proportional to 3,456.43, 4,770.92 and 3,280.12 is: 4,527.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.43 : 4,770.92 = 3,280.12 : x
  2. Step 2: Convert to fraction form
    3,456.43/4,770.92 = 3,280.12/x
  3. Step 3: Cross multiply
    3,456.43x = 4,770.92 × 3,280.12
  4. Step 4: Simplify right side
    3,456.43x = 15,649,190.11
  5. Step 5: Solve for x
    x = 15,649,190.11/3,456.43
  6. Step 6: Final answer
    x = 4,527.56

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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.