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Finding the Fourth Proportional to 2,831.91, 4,241.67 and 2,007.68

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Solution

The fourth proportional to 2,831.91, 4,241.67 and 2,007.68 is: 3,007.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831.91 : 4,241.67 = 2,007.68 : x
  2. Step 2: Convert to fraction form
    2,831.91/4,241.67 = 2,007.68/x
  3. Step 3: Cross multiply
    2,831.91x = 4,241.67 × 2,007.68
  4. Step 4: Simplify right side
    2,831.91x = 8,515,926.63
  5. Step 5: Solve for x
    x = 8,515,926.63/2,831.91
  6. Step 6: Final answer
    x = 3,007.13

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