Home / 3,831.36-5,286.35-2,237.10

Finding the Fourth Proportional to 3,831.36, 5,286.35 and 2,237.10

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Solution

The fourth proportional to 3,831.36, 5,286.35 and 2,237.10 is: 3,086.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831.36 : 5,286.35 = 2,237.10 : x
  2. Step 2: Convert to fraction form
    3,831.36/5,286.35 = 2,237.10/x
  3. Step 3: Cross multiply
    3,831.36x = 5,286.35 × 2,237.10
  4. Step 4: Simplify right side
    3,831.36x = 11,826,093.59
  5. Step 5: Solve for x
    x = 11,826,093.59/3,831.36
  6. Step 6: Final answer
    x = 3,086.66

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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.