Home / 2,747.50-3,791.56-1,568.66

Finding the Fourth Proportional to 2,747.50, 3,791.56 and 1,568.66

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Solution

The fourth proportional to 2,747.50, 3,791.56 and 1,568.66 is: 2,164.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.50 : 3,791.56 = 1,568.66 : x
  2. Step 2: Convert to fraction form
    2,747.50/3,791.56 = 1,568.66/x
  3. Step 3: Cross multiply
    2,747.50x = 3,791.56 × 1,568.66
  4. Step 4: Simplify right side
    2,747.50x = 5,947,668.51
  5. Step 5: Solve for x
    x = 5,947,668.51/2,747.50
  6. Step 6: Final answer
    x = 2,164.76

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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.