Home / 3,253.44-4,872.87-2,520.80

Finding the Fourth Proportional to 3,253.44, 4,872.87 and 2,520.80

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Solution

The fourth proportional to 3,253.44, 4,872.87 and 2,520.80 is: 3,775.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.44 : 4,872.87 = 2,520.80 : x
  2. Step 2: Convert to fraction form
    3,253.44/4,872.87 = 2,520.80/x
  3. Step 3: Cross multiply
    3,253.44x = 4,872.87 × 2,520.80
  4. Step 4: Simplify right side
    3,253.44x = 12,283,524.60
  5. Step 5: Solve for x
    x = 12,283,524.60/3,253.44
  6. Step 6: Final answer
    x = 3,775.55

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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.