Home / 3,178.53-4,765.82-1,229.85

Finding the Fourth Proportional to 3,178.53, 4,765.82 and 1,229.85

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Solution

The fourth proportional to 3,178.53, 4,765.82 and 1,229.85 is: 1,844.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178.53 : 4,765.82 = 1,229.85 : x
  2. Step 2: Convert to fraction form
    3,178.53/4,765.82 = 1,229.85/x
  3. Step 3: Cross multiply
    3,178.53x = 4,765.82 × 1,229.85
  4. Step 4: Simplify right side
    3,178.53x = 5,861,237.58
  5. Step 5: Solve for x
    x = 5,861,237.58/3,178.53
  6. Step 6: Final answer
    x = 1,844.01

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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.