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Finding the Fourth Proportional to 2,157.73, 2,977.63 and 1,273.61

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Solution

The fourth proportional to 2,157.73, 2,977.63 and 1,273.61 is: 1,757.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157.73 : 2,977.63 = 1,273.61 : x
  2. Step 2: Convert to fraction form
    2,157.73/2,977.63 = 1,273.61/x
  3. Step 3: Cross multiply
    2,157.73x = 2,977.63 × 1,273.61
  4. Step 4: Simplify right side
    2,157.73x = 3,792,343.60
  5. Step 5: Solve for x
    x = 3,792,343.60/2,157.73
  6. Step 6: Final answer
    x = 1,757.56

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