Home / 1,747.87-2,621.80-1,198.38

Finding the Fourth Proportional to 1,747.87, 2,621.80 and 1,198.38

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Solution

The fourth proportional to 1,747.87, 2,621.80 and 1,198.38 is: 1,797.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747.87 : 2,621.80 = 1,198.38 : x
  2. Step 2: Convert to fraction form
    1,747.87/2,621.80 = 1,198.38/x
  3. Step 3: Cross multiply
    1,747.87x = 2,621.80 × 1,198.38
  4. Step 4: Simplify right side
    1,747.87x = 3,141,912.68
  5. Step 5: Solve for x
    x = 3,141,912.68/1,747.87
  6. Step 6: Final answer
    x = 1,797.57

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