Home / 3,021.11-4,531.61-1,481.03

Finding the Fourth Proportional to 3,021.11, 4,531.61 and 1,481.03

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Solution

The fourth proportional to 3,021.11, 4,531.61 and 1,481.03 is: 2,221.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.11 : 4,531.61 = 1,481.03 : x
  2. Step 2: Convert to fraction form
    3,021.11/4,531.61 = 1,481.03/x
  3. Step 3: Cross multiply
    3,021.11x = 4,531.61 × 1,481.03
  4. Step 4: Simplify right side
    3,021.11x = 6,711,442.95
  5. Step 5: Solve for x
    x = 6,711,442.95/3,021.11
  6. Step 6: Final answer
    x = 2,221.52

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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.