Home / 2,747.26-3,791.28-1,568.30

Finding the Fourth Proportional to 2,747.26, 3,791.28 and 1,568.30

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Solution

The fourth proportional to 2,747.26, 3,791.28 and 1,568.30 is: 2,164.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.26 : 3,791.28 = 1,568.30 : x
  2. Step 2: Convert to fraction form
    2,747.26/3,791.28 = 1,568.30/x
  3. Step 3: Cross multiply
    2,747.26x = 3,791.28 × 1,568.30
  4. Step 4: Simplify right side
    2,747.26x = 5,945,864.42
  5. Step 5: Solve for x
    x = 5,945,864.42/2,747.26
  6. Step 6: Final answer
    x = 2,164.29

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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.