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Finding the Fourth Proportional to 3,165.75, 4,368.73 and 1,749.40

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Solution

The fourth proportional to 3,165.75, 4,368.73 and 1,749.40 is: 2,414.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.75 : 4,368.73 = 1,749.40 : x
  2. Step 2: Convert to fraction form
    3,165.75/4,368.73 = 1,749.40/x
  3. Step 3: Cross multiply
    3,165.75x = 4,368.73 × 1,749.40
  4. Step 4: Simplify right side
    3,165.75x = 7,642,660.63
  5. Step 5: Solve for x
    x = 7,642,660.63/3,165.75
  6. Step 6: Final answer
    x = 2,414.17

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