Home / 3,116.90-4,677.17-1,267.88

Finding the Fourth Proportional to 3,116.90, 4,677.17 and 1,267.88

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Solution

The fourth proportional to 3,116.90, 4,677.17 and 1,267.88 is: 1,902.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.90 : 4,677.17 = 1,267.88 : x
  2. Step 2: Convert to fraction form
    3,116.90/4,677.17 = 1,267.88/x
  3. Step 3: Cross multiply
    3,116.90x = 4,677.17 × 1,267.88
  4. Step 4: Simplify right side
    3,116.90x = 5,930,060.57
  5. Step 5: Solve for x
    x = 5,930,060.57/3,116.90
  6. Step 6: Final answer
    x = 1,902.55

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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.