Home / 2,947.16-4,422.25-1,304.85

Finding the Fourth Proportional to 2,947.16, 4,422.25 and 1,304.85

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Solution

The fourth proportional to 2,947.16, 4,422.25 and 1,304.85 is: 1,957.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947.16 : 4,422.25 = 1,304.85 : x
  2. Step 2: Convert to fraction form
    2,947.16/4,422.25 = 1,304.85/x
  3. Step 3: Cross multiply
    2,947.16x = 4,422.25 × 1,304.85
  4. Step 4: Simplify right side
    2,947.16x = 5,770,391.13
  5. Step 5: Solve for x
    x = 5,770,391.13/2,947.16
  6. Step 6: Final answer
    x = 1,957.95

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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.