Home / 3,989.24-5,983.55-1,067.57

Finding the Fourth Proportional to 3,989.24, 5,983.55 and 1,067.57

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Solution

The fourth proportional to 3,989.24, 5,983.55 and 1,067.57 is: 1,601.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989.24 : 5,983.55 = 1,067.57 : x
  2. Step 2: Convert to fraction form
    3,989.24/5,983.55 = 1,067.57/x
  3. Step 3: Cross multiply
    3,989.24x = 5,983.55 × 1,067.57
  4. Step 4: Simplify right side
    3,989.24x = 6,387,858.47
  5. Step 5: Solve for x
    x = 6,387,858.47/3,989.24
  6. Step 6: Final answer
    x = 1,601.27

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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.