Home / 3,988-5,983.26-1,796.92

Finding the Fourth Proportional to 3,988, 5,983.26 and 1,796.92

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Solution

The fourth proportional to 3,988, 5,983.26 and 1,796.92 is: 2,695.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988 : 5,983.26 = 1,796.92 : x
  2. Step 2: Convert to fraction form
    3,988/5,983.26 = 1,796.92/x
  3. Step 3: Cross multiply
    3,988x = 5,983.26 × 1,796.92
  4. Step 4: Simplify right side
    3,988x = 10,751,439.56
  5. Step 5: Solve for x
    x = 10,751,439.56/3,988
  6. Step 6: Final answer
    x = 2,695.95

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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.