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Finding the Fourth Proportional to 3,309.67, 4,966.71 and 1,361.89

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Solution

The fourth proportional to 3,309.67, 4,966.71 and 1,361.89 is: 2,043.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.67 : 4,966.71 = 1,361.89 : x
  2. Step 2: Convert to fraction form
    3,309.67/4,966.71 = 1,361.89/x
  3. Step 3: Cross multiply
    3,309.67x = 4,966.71 × 1,361.89
  4. Step 4: Simplify right side
    3,309.67x = 6,764,112.68
  5. Step 5: Solve for x
    x = 6,764,112.68/3,309.67
  6. Step 6: Final answer
    x = 2,043.74

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