Home / 2,743.12-4,114.68-1,181.98

Finding the Fourth Proportional to 2,743.12, 4,114.68 and 1,181.98

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Solution

The fourth proportional to 2,743.12, 4,114.68 and 1,181.98 is: 1,772.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.12 : 4,114.68 = 1,181.98 : x
  2. Step 2: Convert to fraction form
    2,743.12/4,114.68 = 1,181.98/x
  3. Step 3: Cross multiply
    2,743.12x = 4,114.68 × 1,181.98
  4. Step 4: Simplify right side
    2,743.12x = 4,863,469.47
  5. Step 5: Solve for x
    x = 4,863,469.47/2,743.12
  6. Step 6: Final answer
    x = 1,772.97

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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.