Home / 3,213.11-4,819.61-1,021.81

Finding the Fourth Proportional to 3,213.11, 4,819.61 and 1,021.81

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Solution

The fourth proportional to 3,213.11, 4,819.61 and 1,021.81 is: 1,532.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.11 : 4,819.61 = 1,021.81 : x
  2. Step 2: Convert to fraction form
    3,213.11/4,819.61 = 1,021.81/x
  3. Step 3: Cross multiply
    3,213.11x = 4,819.61 × 1,021.81
  4. Step 4: Simplify right side
    3,213.11x = 4,924,716.20
  5. Step 5: Solve for x
    x = 4,924,716.20/3,213.11
  6. Step 6: Final answer
    x = 1,532.69

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