Home / 3,989.39-5,982.08-2,324.05

Finding the Fourth Proportional to 3,989.39, 5,982.08 and 2,324.05

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Solution

The fourth proportional to 3,989.39, 5,982.08 and 2,324.05 is: 3,484.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989.39 : 5,982.08 = 2,324.05 : x
  2. Step 2: Convert to fraction form
    3,989.39/5,982.08 = 2,324.05/x
  3. Step 3: Cross multiply
    3,989.39x = 5,982.08 × 2,324.05
  4. Step 4: Simplify right side
    3,989.39x = 13,902,626.45
  5. Step 5: Solve for x
    x = 13,902,626.45/3,989.39
  6. Step 6: Final answer
    x = 3,484.90

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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.