Home / 3,249.50-4,480.23-2,711.90

Finding the Fourth Proportional to 3,249.50, 4,480.23 and 2,711.90

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Solution

The fourth proportional to 3,249.50, 4,480.23 and 2,711.90 is: 3,739.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,249.50 : 4,480.23 = 2,711.90 : x
  2. Step 2: Convert to fraction form
    3,249.50/4,480.23 = 2,711.90/x
  3. Step 3: Cross multiply
    3,249.50x = 4,480.23 × 2,711.90
  4. Step 4: Simplify right side
    3,249.50x = 12,149,957.11
  5. Step 5: Solve for x
    x = 12,149,957.11/3,249.50
  6. Step 6: Final answer
    x = 3,739.03

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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.