Home / 2,028.22-3,042.33-489.22

Finding the Fourth Proportional to 2,028.22, 3,042.33 and 489.22

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Solution

The fourth proportional to 2,028.22, 3,042.33 and 489.22 is: 733.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.22 : 3,042.33 = 489.22 : x
  2. Step 2: Convert to fraction form
    2,028.22/3,042.33 = 489.22/x
  3. Step 3: Cross multiply
    2,028.22x = 3,042.33 × 489.22
  4. Step 4: Simplify right side
    2,028.22x = 1,488,368.68
  5. Step 5: Solve for x
    x = 1,488,368.68/2,028.22
  6. Step 6: Final answer
    x = 733.83

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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.