Home / 3,238.62-4,853.83-1,387.54

Finding the Fourth Proportional to 3,238.62, 4,853.83 and 1,387.54

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Solution

The fourth proportional to 3,238.62, 4,853.83 and 1,387.54 is: 2,079.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238.62 : 4,853.83 = 1,387.54 : x
  2. Step 2: Convert to fraction form
    3,238.62/4,853.83 = 1,387.54/x
  3. Step 3: Cross multiply
    3,238.62x = 4,853.83 × 1,387.54
  4. Step 4: Simplify right side
    3,238.62x = 6,734,883.28
  5. Step 5: Solve for x
    x = 6,734,883.28/3,238.62
  6. Step 6: Final answer
    x = 2,079.55

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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.