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Finding the Fourth Proportional to 3,942.05, 5,908.05 and 2,094.05

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Solution

The fourth proportional to 3,942.05, 5,908.05 and 2,094.05 is: 3,138.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.05 : 5,908.05 = 2,094.05 : x
  2. Step 2: Convert to fraction form
    3,942.05/5,908.05 = 2,094.05/x
  3. Step 3: Cross multiply
    3,942.05x = 5,908.05 × 2,094.05
  4. Step 4: Simplify right side
    3,942.05x = 12,371,752.10
  5. Step 5: Solve for x
    x = 12,371,752.10/3,942.05
  6. Step 6: Final answer
    x = 3,138.41

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