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Finding the Fourth Proportional to 3,384.62, 5,072.29 and 1,904.56

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Solution

The fourth proportional to 3,384.62, 5,072.29 and 1,904.56 is: 2,854.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,384.62 : 5,072.29 = 1,904.56 : x
  2. Step 2: Convert to fraction form
    3,384.62/5,072.29 = 1,904.56/x
  3. Step 3: Cross multiply
    3,384.62x = 5,072.29 × 1,904.56
  4. Step 4: Simplify right side
    3,384.62x = 9,660,463.20
  5. Step 5: Solve for x
    x = 9,660,463.20/3,384.62
  6. Step 6: Final answer
    x = 2,854.22

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