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Finding the Fourth Proportional to 2,388.75, 3,583.02 and 1,090.20

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Solution

The fourth proportional to 2,388.75, 3,583.02 and 1,090.20 is: 1,635.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,388.75 : 3,583.02 = 1,090.20 : x
  2. Step 2: Convert to fraction form
    2,388.75/3,583.02 = 1,090.20/x
  3. Step 3: Cross multiply
    2,388.75x = 3,583.02 × 1,090.20
  4. Step 4: Simplify right side
    2,388.75x = 3,906,208.40
  5. Step 5: Solve for x
    x = 3,906,208.40/2,388.75
  6. Step 6: Final answer
    x = 1,635.25

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