Home / 3,721.79-5,584.31-1,412.75

Finding the Fourth Proportional to 3,721.79, 5,584.31 and 1,412.75

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Solution

The fourth proportional to 3,721.79, 5,584.31 and 1,412.75 is: 2,119.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.79 : 5,584.31 = 1,412.75 : x
  2. Step 2: Convert to fraction form
    3,721.79/5,584.31 = 1,412.75/x
  3. Step 3: Cross multiply
    3,721.79x = 5,584.31 × 1,412.75
  4. Step 4: Simplify right side
    3,721.79x = 7,889,233.95
  5. Step 5: Solve for x
    x = 7,889,233.95/3,721.79
  6. Step 6: Final answer
    x = 2,119.74

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