Home / 3,789.49-5,228.80-2,110.85

Finding the Fourth Proportional to 3,789.49, 5,228.80 and 2,110.85

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Solution

The fourth proportional to 3,789.49, 5,228.80 and 2,110.85 is: 2,912.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789.49 : 5,228.80 = 2,110.85 : x
  2. Step 2: Convert to fraction form
    3,789.49/5,228.80 = 2,110.85/x
  3. Step 3: Cross multiply
    3,789.49x = 5,228.80 × 2,110.85
  4. Step 4: Simplify right side
    3,789.49x = 11,037,215.37
  5. Step 5: Solve for x
    x = 11,037,215.37/3,789.49
  6. Step 6: Final answer
    x = 2,912.59

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