Home / 3,989.18-5,983.76-1,524.25

Finding the Fourth Proportional to 3,989.18, 5,983.76 and 1,524.25

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Solution

The fourth proportional to 3,989.18, 5,983.76 and 1,524.25 is: 2,286.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989.18 : 5,983.76 = 1,524.25 : x
  2. Step 2: Convert to fraction form
    3,989.18/5,983.76 = 1,524.25/x
  3. Step 3: Cross multiply
    3,989.18x = 5,983.76 × 1,524.25
  4. Step 4: Simplify right side
    3,989.18x = 9,120,757.47
  5. Step 5: Solve for x
    x = 9,120,757.47/3,989.18
  6. Step 6: Final answer
    x = 2,286.37

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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.