Home / 2,747.93-3,791.23-1,552.75

Finding the Fourth Proportional to 2,747.93, 3,791.23 and 1,552.75

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Solution

The fourth proportional to 2,747.93, 3,791.23 and 1,552.75 is: 2,142.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.93 : 3,791.23 = 1,552.75 : x
  2. Step 2: Convert to fraction form
    2,747.93/3,791.23 = 1,552.75/x
  3. Step 3: Cross multiply
    2,747.93x = 3,791.23 × 1,552.75
  4. Step 4: Simplify right side
    2,747.93x = 5,886,832.38
  5. Step 5: Solve for x
    x = 5,886,832.38/2,747.93
  6. Step 6: Final answer
    x = 2,142.28

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1.5x scale

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.