Home / 3,182.40-4,391.97-1,766.43

Finding the Fourth Proportional to 3,182.40, 4,391.97 and 1,766.43

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Solution

The fourth proportional to 3,182.40, 4,391.97 and 1,766.43 is: 2,437.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.40 : 4,391.97 = 1,766.43 : x
  2. Step 2: Convert to fraction form
    3,182.40/4,391.97 = 1,766.43/x
  3. Step 3: Cross multiply
    3,182.40x = 4,391.97 × 1,766.43
  4. Step 4: Simplify right side
    3,182.40x = 7,758,107.57
  5. Step 5: Solve for x
    x = 7,758,107.57/3,182.40
  6. Step 6: Final answer
    x = 2,437.82

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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.