Home / 2,619.82-3,926.39-1,230.08

Finding the Fourth Proportional to 2,619.82, 3,926.39 and 1,230.08

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Solution

The fourth proportional to 2,619.82, 3,926.39 and 1,230.08 is: 1,843.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619.82 : 3,926.39 = 1,230.08 : x
  2. Step 2: Convert to fraction form
    2,619.82/3,926.39 = 1,230.08/x
  3. Step 3: Cross multiply
    2,619.82x = 3,926.39 × 1,230.08
  4. Step 4: Simplify right side
    2,619.82x = 4,829,767.66
  5. Step 5: Solve for x
    x = 4,829,767.66/2,619.82
  6. Step 6: Final answer
    x = 1,843.55

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