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Finding the Fourth Proportional to 3,868.41, 5,805.69 and 1,403.94

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Solution

The fourth proportional to 3,868.41, 5,805.69 and 1,403.94 is: 2,107.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868.41 : 5,805.69 = 1,403.94 : x
  2. Step 2: Convert to fraction form
    3,868.41/5,805.69 = 1,403.94/x
  3. Step 3: Cross multiply
    3,868.41x = 5,805.69 × 1,403.94
  4. Step 4: Simplify right side
    3,868.41x = 8,150,840.42
  5. Step 5: Solve for x
    x = 8,150,840.42/3,868.41
  6. Step 6: Final answer
    x = 2,107.03

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