Home / 3,187.83-4,781.70-2,246.90

Finding the Fourth Proportional to 3,187.83, 4,781.70 and 2,246.90

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Solution

The fourth proportional to 3,187.83, 4,781.70 and 2,246.90 is: 3,370.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187.83 : 4,781.70 = 2,246.90 : x
  2. Step 2: Convert to fraction form
    3,187.83/4,781.70 = 2,246.90/x
  3. Step 3: Cross multiply
    3,187.83x = 4,781.70 × 2,246.90
  4. Step 4: Simplify right side
    3,187.83x = 10,744,001.73
  5. Step 5: Solve for x
    x = 10,744,001.73/3,187.83
  6. Step 6: Final answer
    x = 3,370.32

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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.