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Finding the Fourth Proportional to 3,112.92, 4,667.94 and 1,814.76

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Solution

The fourth proportional to 3,112.92, 4,667.94 and 1,814.76 is: 2,721.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.92 : 4,667.94 = 1,814.76 : x
  2. Step 2: Convert to fraction form
    3,112.92/4,667.94 = 1,814.76/x
  3. Step 3: Cross multiply
    3,112.92x = 4,667.94 × 1,814.76
  4. Step 4: Simplify right side
    3,112.92x = 8,471,190.79
  5. Step 5: Solve for x
    x = 8,471,190.79/3,112.92
  6. Step 6: Final answer
    x = 2,721.30

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