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Finding the Fourth Proportional to 3,450.86, 5,176.93 and 2,461.21

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Solution

The fourth proportional to 3,450.86, 5,176.93 and 2,461.21 is: 3,692.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.86 : 5,176.93 = 2,461.21 : x
  2. Step 2: Convert to fraction form
    3,450.86/5,176.93 = 2,461.21/x
  3. Step 3: Cross multiply
    3,450.86x = 5,176.93 × 2,461.21
  4. Step 4: Simplify right side
    3,450.86x = 12,741,511.89
  5. Step 5: Solve for x
    x = 12,741,511.89/3,450.86
  6. Step 6: Final answer
    x = 3,692.27

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