Home / 2,743.06-4,115.19-1,281.41

Finding the Fourth Proportional to 2,743.06, 4,115.19 and 1,281.41

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Solution

The fourth proportional to 2,743.06, 4,115.19 and 1,281.41 is: 1,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.06 : 4,115.19 = 1,281.41 : x
  2. Step 2: Convert to fraction form
    2,743.06/4,115.19 = 1,281.41/x
  3. Step 3: Cross multiply
    2,743.06x = 4,115.19 × 1,281.41
  4. Step 4: Simplify right side
    2,743.06x = 5,273,245.62
  5. Step 5: Solve for x
    x = 5,273,245.62/2,743.06
  6. Step 6: Final answer
    x = 1,922.40

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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.