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Finding the Fourth Proportional to 1,766.10, 2,647.80 and 1,072.62

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Solution

The fourth proportional to 1,766.10, 2,647.80 and 1,072.62 is: 1,608.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766.10 : 2,647.80 = 1,072.62 : x
  2. Step 2: Convert to fraction form
    1,766.10/2,647.80 = 1,072.62/x
  3. Step 3: Cross multiply
    1,766.10x = 2,647.80 × 1,072.62
  4. Step 4: Simplify right side
    1,766.10x = 2,840,083.24
  5. Step 5: Solve for x
    x = 2,840,083.24/1,766.10
  6. Step 6: Final answer
    x = 1,608.11

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