Home / 3,326.22-4,982.13-2,028.78

Finding the Fourth Proportional to 3,326.22, 4,982.13 and 2,028.78

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Solution

The fourth proportional to 3,326.22, 4,982.13 and 2,028.78 is: 3,038.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.22 : 4,982.13 = 2,028.78 : x
  2. Step 2: Convert to fraction form
    3,326.22/4,982.13 = 2,028.78/x
  3. Step 3: Cross multiply
    3,326.22x = 4,982.13 × 2,028.78
  4. Step 4: Simplify right side
    3,326.22x = 10,107,645.70
  5. Step 5: Solve for x
    x = 10,107,645.70/3,326.22
  6. Step 6: Final answer
    x = 3,038.78

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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.