Home / 3,498.26-5,255.09-2,112.42

Finding the Fourth Proportional to 3,498.26, 5,255.09 and 2,112.42

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Solution

The fourth proportional to 3,498.26, 5,255.09 and 2,112.42 is: 3,173.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,498.26 : 5,255.09 = 2,112.42 : x
  2. Step 2: Convert to fraction form
    3,498.26/5,255.09 = 2,112.42/x
  3. Step 3: Cross multiply
    3,498.26x = 5,255.09 × 2,112.42
  4. Step 4: Simplify right side
    3,498.26x = 11,100,962.50
  5. Step 5: Solve for x
    x = 11,100,962.50/3,498.26
  6. Step 6: Final answer
    x = 3,173.28

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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.