Home / 3,432.20-5,148.30-3,164.90

Finding the Fourth Proportional to 3,432.20, 5,148.30 and 3,164.90

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Solution

The fourth proportional to 3,432.20, 5,148.30 and 3,164.90 is: 4,747.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.20 : 5,148.30 = 3,164.90 : x
  2. Step 2: Convert to fraction form
    3,432.20/5,148.30 = 3,164.90/x
  3. Step 3: Cross multiply
    3,432.20x = 5,148.30 × 3,164.90
  4. Step 4: Simplify right side
    3,432.20x = 16,293,854.67
  5. Step 5: Solve for x
    x = 16,293,854.67/3,432.20
  6. Step 6: Final answer
    x = 4,747.35

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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.