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Finding the Fourth Proportional to 2,794.77, 4,192.16 and 2,748.80

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Solution

The fourth proportional to 2,794.77, 4,192.16 and 2,748.80 is: 4,123.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,794.77 : 4,192.16 = 2,748.80 : x
  2. Step 2: Convert to fraction form
    2,794.77/4,192.16 = 2,748.80/x
  3. Step 3: Cross multiply
    2,794.77x = 4,192.16 × 2,748.80
  4. Step 4: Simplify right side
    2,794.77x = 11,523,406.14
  5. Step 5: Solve for x
    x = 11,523,406.14/2,794.77
  6. Step 6: Final answer
    x = 4,123.20

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