Home / 2,743.32-4,106.48-2,218.95

Finding the Fourth Proportional to 2,743.32, 4,106.48 and 2,218.95

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Solution

The fourth proportional to 2,743.32, 4,106.48 and 2,218.95 is: 3,321.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.32 : 4,106.48 = 2,218.95 : x
  2. Step 2: Convert to fraction form
    2,743.32/4,106.48 = 2,218.95/x
  3. Step 3: Cross multiply
    2,743.32x = 4,106.48 × 2,218.95
  4. Step 4: Simplify right side
    2,743.32x = 9,112,073.80
  5. Step 5: Solve for x
    x = 9,112,073.80/2,743.32
  6. Step 6: Final answer
    x = 3,321.55

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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.