Home / 3,989.04-5,979.72-2,524.56

Finding the Fourth Proportional to 3,989.04, 5,979.72 and 2,524.56

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Solution

The fourth proportional to 3,989.04, 5,979.72 and 2,524.56 is: 3,784.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989.04 : 5,979.72 = 2,524.56 : x
  2. Step 2: Convert to fraction form
    3,989.04/5,979.72 = 2,524.56/x
  3. Step 3: Cross multiply
    3,989.04x = 5,979.72 × 2,524.56
  4. Step 4: Simplify right side
    3,989.04x = 15,096,161.92
  5. Step 5: Solve for x
    x = 15,096,161.92/3,989.04
  6. Step 6: Final answer
    x = 3,784.41

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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.