Home / 3,831.28-5,741.44-2,184.42

Finding the Fourth Proportional to 3,831.28, 5,741.44 and 2,184.42

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Solution

The fourth proportional to 3,831.28, 5,741.44 and 2,184.42 is: 3,273.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831.28 : 5,741.44 = 2,184.42 : x
  2. Step 2: Convert to fraction form
    3,831.28/5,741.44 = 2,184.42/x
  3. Step 3: Cross multiply
    3,831.28x = 5,741.44 × 2,184.42
  4. Step 4: Simplify right side
    3,831.28x = 12,541,716.36
  5. Step 5: Solve for x
    x = 12,541,716.36/3,831.28
  6. Step 6: Final answer
    x = 3,273.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.