Home / 2,711.60-4,057.80-2,481.20

Finding the Fourth Proportional to 2,711.60, 4,057.80 and 2,481.20

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Solution

The fourth proportional to 2,711.60, 4,057.80 and 2,481.20 is: 3,713.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711.60 : 4,057.80 = 2,481.20 : x
  2. Step 2: Convert to fraction form
    2,711.60/4,057.80 = 2,481.20/x
  3. Step 3: Cross multiply
    2,711.60x = 4,057.80 × 2,481.20
  4. Step 4: Simplify right side
    2,711.60x = 10,068,213.36
  5. Step 5: Solve for x
    x = 10,068,213.36/2,711.60
  6. Step 6: Final answer
    x = 3,713.02

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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.