Home / 3,481.26-5,221.91-2,019.39

Finding the Fourth Proportional to 3,481.26, 5,221.91 and 2,019.39

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Solution

The fourth proportional to 3,481.26, 5,221.91 and 2,019.39 is: 3,029.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.26 : 5,221.91 = 2,019.39 : x
  2. Step 2: Convert to fraction form
    3,481.26/5,221.91 = 2,019.39/x
  3. Step 3: Cross multiply
    3,481.26x = 5,221.91 × 2,019.39
  4. Step 4: Simplify right side
    3,481.26x = 10,545,072.83
  5. Step 5: Solve for x
    x = 10,545,072.83/3,481.26
  6. Step 6: Final answer
    x = 3,029.10

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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.