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Finding the Fourth Proportional to 3,483.78, 5,219.79 and 1,726.44

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Solution

The fourth proportional to 3,483.78, 5,219.79 and 1,726.44 is: 2,586.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,483.78 : 5,219.79 = 1,726.44 : x
  2. Step 2: Convert to fraction form
    3,483.78/5,219.79 = 1,726.44/x
  3. Step 3: Cross multiply
    3,483.78x = 5,219.79 × 1,726.44
  4. Step 4: Simplify right side
    3,483.78x = 9,011,654.25
  5. Step 5: Solve for x
    x = 9,011,654.25/3,483.78
  6. Step 6: Final answer
    x = 2,586.75

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