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Finding the Fourth Proportional to 3,985.26, 5,975.46 and 1,644.54

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Solution

The fourth proportional to 3,985.26, 5,975.46 and 1,644.54 is: 2,465.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985.26 : 5,975.46 = 1,644.54 : x
  2. Step 2: Convert to fraction form
    3,985.26/5,975.46 = 1,644.54/x
  3. Step 3: Cross multiply
    3,985.26x = 5,975.46 × 1,644.54
  4. Step 4: Simplify right side
    3,985.26x = 9,826,882.99
  5. Step 5: Solve for x
    x = 9,826,882.99/3,985.26
  6. Step 6: Final answer
    x = 2,465.81

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