Home / 3,782.72-5,669.12-1,934.30

Finding the Fourth Proportional to 3,782.72, 5,669.12 and 1,934.30

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Solution

The fourth proportional to 3,782.72, 5,669.12 and 1,934.30 is: 2,898.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.72 : 5,669.12 = 1,934.30 : x
  2. Step 2: Convert to fraction form
    3,782.72/5,669.12 = 1,934.30/x
  3. Step 3: Cross multiply
    3,782.72x = 5,669.12 × 1,934.30
  4. Step 4: Simplify right side
    3,782.72x = 10,965,778.82
  5. Step 5: Solve for x
    x = 10,965,778.82/3,782.72
  6. Step 6: Final answer
    x = 2,898.91

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