Home / 3,290.46-4,939.11-2,202.43

Finding the Fourth Proportional to 3,290.46, 4,939.11 and 2,202.43

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Solution

The fourth proportional to 3,290.46, 4,939.11 and 2,202.43 is: 3,305.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.46 : 4,939.11 = 2,202.43 : x
  2. Step 2: Convert to fraction form
    3,290.46/4,939.11 = 2,202.43/x
  3. Step 3: Cross multiply
    3,290.46x = 4,939.11 × 2,202.43
  4. Step 4: Simplify right side
    3,290.46x = 10,878,044.04
  5. Step 5: Solve for x
    x = 10,878,044.04/3,290.46
  6. Step 6: Final answer
    x = 3,305.93

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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.