Home / 3,290.18-4,531.22-3,279.93

Finding the Fourth Proportional to 3,290.18, 4,531.22 and 3,279.93

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Solution

The fourth proportional to 3,290.18, 4,531.22 and 3,279.93 is: 4,517.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.18 : 4,531.22 = 3,279.93 : x
  2. Step 2: Convert to fraction form
    3,290.18/4,531.22 = 3,279.93/x
  3. Step 3: Cross multiply
    3,290.18x = 4,531.22 × 3,279.93
  4. Step 4: Simplify right side
    3,290.18x = 14,862,084.41
  5. Step 5: Solve for x
    x = 14,862,084.41/3,290.18
  6. Step 6: Final answer
    x = 4,517.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.