Home / 2,281.92-3,149.05-1,233.98

Finding the Fourth Proportional to 2,281.92, 3,149.05 and 1,233.98

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Solution

The fourth proportional to 2,281.92, 3,149.05 and 1,233.98 is: 1,702.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281.92 : 3,149.05 = 1,233.98 : x
  2. Step 2: Convert to fraction form
    2,281.92/3,149.05 = 1,233.98/x
  3. Step 3: Cross multiply
    2,281.92x = 3,149.05 × 1,233.98
  4. Step 4: Simplify right side
    2,281.92x = 3,885,881.20
  5. Step 5: Solve for x
    x = 3,885,881.20/2,281.92
  6. Step 6: Final answer
    x = 1,702.90

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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.