Home / 3,831.38-5,286.38-2,237.13

Finding the Fourth Proportional to 3,831.38, 5,286.38 and 2,237.13

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Solution

The fourth proportional to 3,831.38, 5,286.38 and 2,237.13 is: 3,086.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831.38 : 5,286.38 = 2,237.13 : x
  2. Step 2: Convert to fraction form
    3,831.38/5,286.38 = 2,237.13/x
  3. Step 3: Cross multiply
    3,831.38x = 5,286.38 × 2,237.13
  4. Step 4: Simplify right side
    3,831.38x = 11,826,287.26
  5. Step 5: Solve for x
    x = 11,826,287.26/3,831.38
  6. Step 6: Final answer
    x = 3,086.69

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Similar ratio
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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.