Home / 2,747.53-3,791.60-1,685.29

Finding the Fourth Proportional to 2,747.53, 3,791.60 and 1,685.29

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Solution

The fourth proportional to 2,747.53, 3,791.60 and 1,685.29 is: 2,325.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.53 : 3,791.60 = 1,685.29 : x
  2. Step 2: Convert to fraction form
    2,747.53/3,791.60 = 1,685.29/x
  3. Step 3: Cross multiply
    2,747.53x = 3,791.60 × 1,685.29
  4. Step 4: Simplify right side
    2,747.53x = 6,389,945.56
  5. Step 5: Solve for x
    x = 6,389,945.56/2,747.53
  6. Step 6: Final answer
    x = 2,325.71

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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.