Home / 2,678.22-4,016.71-1,290.86

Finding the Fourth Proportional to 2,678.22, 4,016.71 and 1,290.86

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Solution

The fourth proportional to 2,678.22, 4,016.71 and 1,290.86 is: 1,935.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678.22 : 4,016.71 = 1,290.86 : x
  2. Step 2: Convert to fraction form
    2,678.22/4,016.71 = 1,290.86/x
  3. Step 3: Cross multiply
    2,678.22x = 4,016.71 × 1,290.86
  4. Step 4: Simplify right side
    2,678.22x = 5,185,010.27
  5. Step 5: Solve for x
    x = 5,185,010.27/2,678.22
  6. Step 6: Final answer
    x = 1,935.99

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