Home / 3,249.72-4,480.58-2,711.60

Finding the Fourth Proportional to 3,249.72, 4,480.58 and 2,711.60

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Solution

The fourth proportional to 3,249.72, 4,480.58 and 2,711.60 is: 3,738.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,249.72 : 4,480.58 = 2,711.60 : x
  2. Step 2: Convert to fraction form
    3,249.72/4,480.58 = 2,711.60/x
  3. Step 3: Cross multiply
    3,249.72x = 4,480.58 × 2,711.60
  4. Step 4: Simplify right side
    3,249.72x = 12,149,540.73
  5. Step 5: Solve for x
    x = 12,149,540.73/3,249.72
  6. Step 6: Final answer
    x = 3,738.64

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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.