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Finding the Fourth Proportional to 2,747.24, 3,791.12 and 1,568.24

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Solution

The fourth proportional to 2,747.24, 3,791.12 and 1,568.24 is: 2,164.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.24 : 3,791.12 = 1,568.24 : x
  2. Step 2: Convert to fraction form
    2,747.24/3,791.12 = 1,568.24/x
  3. Step 3: Cross multiply
    2,747.24x = 3,791.12 × 1,568.24
  4. Step 4: Simplify right side
    2,747.24x = 5,945,386.03
  5. Step 5: Solve for x
    x = 5,945,386.03/2,747.24
  6. Step 6: Final answer
    x = 2,164.13

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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.