Home / 3,831.39-5,741.73-2,072.61

Finding the Fourth Proportional to 3,831.39, 5,741.73 and 2,072.61

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Solution

The fourth proportional to 3,831.39, 5,741.73 and 2,072.61 is: 3,106.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831.39 : 5,741.73 = 2,072.61 : x
  2. Step 2: Convert to fraction form
    3,831.39/5,741.73 = 2,072.61/x
  3. Step 3: Cross multiply
    3,831.39x = 5,741.73 × 2,072.61
  4. Step 4: Simplify right side
    3,831.39x = 11,900,367.02
  5. Step 5: Solve for x
    x = 11,900,367.02/3,831.39
  6. Step 6: Final answer
    x = 3,106.02

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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.