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Finding the Fourth Proportional to 1,942.95, 2,912.60 and 968.13

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Solution

The fourth proportional to 1,942.95, 2,912.60 and 968.13 is: 1,451.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942.95 : 2,912.60 = 968.13 : x
  2. Step 2: Convert to fraction form
    1,942.95/2,912.60 = 968.13/x
  3. Step 3: Cross multiply
    1,942.95x = 2,912.60 × 968.13
  4. Step 4: Simplify right side
    1,942.95x = 2,819,770.60
  5. Step 5: Solve for x
    x = 2,819,770.60/1,942.95
  6. Step 6: Final answer
    x = 1,451.28

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