Home / 3,175.91-4,380.01-2,511.61

Finding the Fourth Proportional to 3,175.91, 4,380.01 and 2,511.61

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Solution

The fourth proportional to 3,175.91, 4,380.01 and 2,511.61 is: 3,463.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.91 : 4,380.01 = 2,511.61 : x
  2. Step 2: Convert to fraction form
    3,175.91/4,380.01 = 2,511.61/x
  3. Step 3: Cross multiply
    3,175.91x = 4,380.01 × 2,511.61
  4. Step 4: Simplify right side
    3,175.91x = 11,000,859.69
  5. Step 5: Solve for x
    x = 11,000,859.69/3,175.91
  6. Step 6: Final answer
    x = 3,463.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.