Home / 3,977.42-5,961.23-1,635.96

Finding the Fourth Proportional to 3,977.42, 5,961.23 and 1,635.96

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Solution

The fourth proportional to 3,977.42, 5,961.23 and 1,635.96 is: 2,451.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.42 : 5,961.23 = 1,635.96 : x
  2. Step 2: Convert to fraction form
    3,977.42/5,961.23 = 1,635.96/x
  3. Step 3: Cross multiply
    3,977.42x = 5,961.23 × 1,635.96
  4. Step 4: Simplify right side
    3,977.42x = 9,752,321.60
  5. Step 5: Solve for x
    x = 9,752,321.60/3,977.42
  6. Step 6: Final answer
    x = 2,451.92

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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.