Home / 3,177.80-4,765.94-2,250.65

Finding the Fourth Proportional to 3,177.80, 4,765.94 and 2,250.65

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Solution

The fourth proportional to 3,177.80, 4,765.94 and 2,250.65 is: 3,375.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.80 : 4,765.94 = 2,250.65 : x
  2. Step 2: Convert to fraction form
    3,177.80/4,765.94 = 2,250.65/x
  3. Step 3: Cross multiply
    3,177.80x = 4,765.94 × 2,250.65
  4. Step 4: Simplify right side
    3,177.80x = 10,726,471.96
  5. Step 5: Solve for x
    x = 10,726,471.96/3,177.80
  6. Step 6: Final answer
    x = 3,375.44

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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.