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Finding the Fourth Proportional to 3,450.94, 5,168.16 and 1,888.60

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Solution

The fourth proportional to 3,450.94, 5,168.16 and 1,888.60 is: 2,828.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.94 : 5,168.16 = 1,888.60 : x
  2. Step 2: Convert to fraction form
    3,450.94/5,168.16 = 1,888.60/x
  3. Step 3: Cross multiply
    3,450.94x = 5,168.16 × 1,888.60
  4. Step 4: Simplify right side
    3,450.94x = 9,760,586.98
  5. Step 5: Solve for x
    x = 9,760,586.98/3,450.94
  6. Step 6: Final answer
    x = 2,828.39

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