Home / 3,239.52-4,851.96-2,142.36

Finding the Fourth Proportional to 3,239.52, 4,851.96 and 2,142.36

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Solution

The fourth proportional to 3,239.52, 4,851.96 and 2,142.36 is: 3,208.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.52 : 4,851.96 = 2,142.36 : x
  2. Step 2: Convert to fraction form
    3,239.52/4,851.96 = 2,142.36/x
  3. Step 3: Cross multiply
    3,239.52x = 4,851.96 × 2,142.36
  4. Step 4: Simplify right side
    3,239.52x = 10,394,645.03
  5. Step 5: Solve for x
    x = 10,394,645.03/3,239.52
  6. Step 6: Final answer
    x = 3,208.70

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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.