Home / 3,839.50-5,760.62-1,242.44

Finding the Fourth Proportional to 3,839.50, 5,760.62 and 1,242.44

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Solution

The fourth proportional to 3,839.50, 5,760.62 and 1,242.44 is: 1,864.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839.50 : 5,760.62 = 1,242.44 : x
  2. Step 2: Convert to fraction form
    3,839.50/5,760.62 = 1,242.44/x
  3. Step 3: Cross multiply
    3,839.50x = 5,760.62 × 1,242.44
  4. Step 4: Simplify right side
    3,839.50x = 7,157,215.96
  5. Step 5: Solve for x
    x = 7,157,215.96/3,839.50
  6. Step 6: Final answer
    x = 1,864.10

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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.