Home / 3,280.26-4,919.33-1,305.23

Finding the Fourth Proportional to 3,280.26, 4,919.33 and 1,305.23

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Solution

The fourth proportional to 3,280.26, 4,919.33 and 1,305.23 is: 1,957.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.26 : 4,919.33 = 1,305.23 : x
  2. Step 2: Convert to fraction form
    3,280.26/4,919.33 = 1,305.23/x
  3. Step 3: Cross multiply
    3,280.26x = 4,919.33 × 1,305.23
  4. Step 4: Simplify right side
    3,280.26x = 6,420,857.10
  5. Step 5: Solve for x
    x = 6,420,857.10/3,280.26
  6. Step 6: Final answer
    x = 1,957.42

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