Home / 3,989.02-5,983.80-1,067.26

Finding the Fourth Proportional to 3,989.02, 5,983.80 and 1,067.26

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Solution

The fourth proportional to 3,989.02, 5,983.80 and 1,067.26 is: 1,600.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989.02 : 5,983.80 = 1,067.26 : x
  2. Step 2: Convert to fraction form
    3,989.02/5,983.80 = 1,067.26/x
  3. Step 3: Cross multiply
    3,989.02x = 5,983.80 × 1,067.26
  4. Step 4: Simplify right side
    3,989.02x = 6,386,270.39
  5. Step 5: Solve for x
    x = 6,386,270.39/3,989.02
  6. Step 6: Final answer
    x = 1,600.96

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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.