Home / 1,571.29-2,357.31-1,109.97

Finding the Fourth Proportional to 1,571.29, 2,357.31 and 1,109.97

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Solution

The fourth proportional to 1,571.29, 2,357.31 and 1,109.97 is: 1,665.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571.29 : 2,357.31 = 1,109.97 : x
  2. Step 2: Convert to fraction form
    1,571.29/2,357.31 = 1,109.97/x
  3. Step 3: Cross multiply
    1,571.29x = 2,357.31 × 1,109.97
  4. Step 4: Simplify right side
    1,571.29x = 2,616,543.38
  5. Step 5: Solve for x
    x = 2,616,543.38/1,571.29
  6. Step 6: Final answer
    x = 1,665.22

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