Home / 2,791.44-4,181.49-1,326.15

Finding the Fourth Proportional to 2,791.44, 4,181.49 and 1,326.15

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Solution

The fourth proportional to 2,791.44, 4,181.49 and 1,326.15 is: 1,986.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791.44 : 4,181.49 = 1,326.15 : x
  2. Step 2: Convert to fraction form
    2,791.44/4,181.49 = 1,326.15/x
  3. Step 3: Cross multiply
    2,791.44x = 4,181.49 × 1,326.15
  4. Step 4: Simplify right side
    2,791.44x = 5,545,282.96
  5. Step 5: Solve for x
    x = 5,545,282.96/2,791.44
  6. Step 6: Final answer
    x = 1,986.53

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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.