Home / 3,951.18-5,925.40-2,198.86

Finding the Fourth Proportional to 3,951.18, 5,925.40 and 2,198.86

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Solution

The fourth proportional to 3,951.18, 5,925.40 and 2,198.86 is: 3,297.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.18 : 5,925.40 = 2,198.86 : x
  2. Step 2: Convert to fraction form
    3,951.18/5,925.40 = 2,198.86/x
  3. Step 3: Cross multiply
    3,951.18x = 5,925.40 × 2,198.86
  4. Step 4: Simplify right side
    3,951.18x = 13,029,104.73
  5. Step 5: Solve for x
    x = 13,029,104.73/3,951.18
  6. Step 6: Final answer
    x = 3,297.52

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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.