Home / 3,420.55-5,132.33-3,272.92

Finding the Fourth Proportional to 3,420.55, 5,132.33 and 3,272.92

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Solution

The fourth proportional to 3,420.55, 5,132.33 and 3,272.92 is: 4,910.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420.55 : 5,132.33 = 3,272.92 : x
  2. Step 2: Convert to fraction form
    3,420.55/5,132.33 = 3,272.92/x
  3. Step 3: Cross multiply
    3,420.55x = 5,132.33 × 3,272.92
  4. Step 4: Simplify right side
    3,420.55x = 16,797,705.50
  5. Step 5: Solve for x
    x = 16,797,705.50/3,420.55
  6. Step 6: Final answer
    x = 4,910.82

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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.