Home / 2,391.56-3,294.90-1,791.44

Finding the Fourth Proportional to 2,391.56, 3,294.90 and 1,791.44

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Solution

The fourth proportional to 2,391.56, 3,294.90 and 1,791.44 is: 2,468.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391.56 : 3,294.90 = 1,791.44 : x
  2. Step 2: Convert to fraction form
    2,391.56/3,294.90 = 1,791.44/x
  3. Step 3: Cross multiply
    2,391.56x = 3,294.90 × 1,791.44
  4. Step 4: Simplify right side
    2,391.56x = 5,902,615.66
  5. Step 5: Solve for x
    x = 5,902,615.66/2,391.56
  6. Step 6: Final answer
    x = 2,468.10

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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.