Home / 3,989.23-5,983.84-1,067.46

Finding the Fourth Proportional to 3,989.23, 5,983.84 and 1,067.46

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Solution

The fourth proportional to 3,989.23, 5,983.84 and 1,067.46 is: 1,601.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989.23 : 5,983.84 = 1,067.46 : x
  2. Step 2: Convert to fraction form
    3,989.23/5,983.84 = 1,067.46/x
  3. Step 3: Cross multiply
    3,989.23x = 5,983.84 × 1,067.46
  4. Step 4: Simplify right side
    3,989.23x = 6,387,488.74
  5. Step 5: Solve for x
    x = 6,387,488.74/3,989.23
  6. Step 6: Final answer
    x = 1,601.18

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Similar ratio
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1.5x scale

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.