Home / 2,281.88-3,149.00-1,233.95

Finding the Fourth Proportional to 2,281.88, 3,149.00 and 1,233.95

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Solution

The fourth proportional to 2,281.88, 3,149.00 and 1,233.95 is: 1,702.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281.88 : 3,149.00 = 1,233.95 : x
  2. Step 2: Convert to fraction form
    2,281.88/3,149.00 = 1,233.95/x
  3. Step 3: Cross multiply
    2,281.88x = 3,149.00 × 1,233.95
  4. Step 4: Simplify right side
    2,281.88x = 3,885,686.64
  5. Step 5: Solve for x
    x = 3,885,686.64/2,281.88
  6. Step 6: Final answer
    x = 1,702.85

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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.