Home / 3,947.23-5,921.13-1,135.95

Finding the Fourth Proportional to 3,947.23, 5,921.13 and 1,135.95

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Solution

The fourth proportional to 3,947.23, 5,921.13 and 1,135.95 is: 1,704.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947.23 : 5,921.13 = 1,135.95 : x
  2. Step 2: Convert to fraction form
    3,947.23/5,921.13 = 1,135.95/x
  3. Step 3: Cross multiply
    3,947.23x = 5,921.13 × 1,135.95
  4. Step 4: Simplify right side
    3,947.23x = 6,726,078.02
  5. Step 5: Solve for x
    x = 6,726,078.02/3,947.23
  6. Step 6: Final answer
    x = 1,704.00

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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.