Home / 3,791.37-5,232.33-2,112.75

Finding the Fourth Proportional to 3,791.37, 5,232.33 and 2,112.75

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Solution

The fourth proportional to 3,791.37, 5,232.33 and 2,112.75 is: 2,915.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.37 : 5,232.33 = 2,112.75 : x
  2. Step 2: Convert to fraction form
    3,791.37/5,232.33 = 2,112.75/x
  3. Step 3: Cross multiply
    3,791.37x = 5,232.33 × 2,112.75
  4. Step 4: Simplify right side
    3,791.37x = 11,054,605.21
  5. Step 5: Solve for x
    x = 11,054,605.21/3,791.37
  6. Step 6: Final answer
    x = 2,915.73

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Double scale
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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.