Home / 3,178.22-4,761.69-2,711.27

Finding the Fourth Proportional to 3,178.22, 4,761.69 and 2,711.27

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Solution

The fourth proportional to 3,178.22, 4,761.69 and 2,711.27 is: 4,062.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178.22 : 4,761.69 = 2,711.27 : x
  2. Step 2: Convert to fraction form
    3,178.22/4,761.69 = 2,711.27/x
  3. Step 3: Cross multiply
    3,178.22x = 4,761.69 × 2,711.27
  4. Step 4: Simplify right side
    3,178.22x = 12,910,203.44
  5. Step 5: Solve for x
    x = 12,910,203.44/3,178.22
  6. Step 6: Final answer
    x = 4,062.08

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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.