Home / 3,747.27-5,171.49-2,255.16

Finding the Fourth Proportional to 3,747.27, 5,171.49 and 2,255.16

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Solution

The fourth proportional to 3,747.27, 5,171.49 and 2,255.16 is: 3,112.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.27 : 5,171.49 = 2,255.16 : x
  2. Step 2: Convert to fraction form
    3,747.27/5,171.49 = 2,255.16/x
  3. Step 3: Cross multiply
    3,747.27x = 5,171.49 × 2,255.16
  4. Step 4: Simplify right side
    3,747.27x = 11,662,537.39
  5. Step 5: Solve for x
    x = 11,662,537.39/3,747.27
  6. Step 6: Final answer
    x = 3,112.28

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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.