Home / 3,481.26-5,218.20-2,164.98

Finding the Fourth Proportional to 3,481.26, 5,218.20 and 2,164.98

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Solution

The fourth proportional to 3,481.26, 5,218.20 and 2,164.98 is: 3,245.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.26 : 5,218.20 = 2,164.98 : x
  2. Step 2: Convert to fraction form
    3,481.26/5,218.20 = 2,164.98/x
  3. Step 3: Cross multiply
    3,481.26x = 5,218.20 × 2,164.98
  4. Step 4: Simplify right side
    3,481.26x = 11,297,298.64
  5. Step 5: Solve for x
    x = 11,297,298.64/3,481.26
  6. Step 6: Final answer
    x = 3,245.18

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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.