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Finding the Fourth Proportional to 3,948.92, 5,450.37 and 2,692.98

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Solution

The fourth proportional to 3,948.92, 5,450.37 and 2,692.98 is: 3,716.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.92 : 5,450.37 = 2,692.98 : x
  2. Step 2: Convert to fraction form
    3,948.92/5,450.37 = 2,692.98/x
  3. Step 3: Cross multiply
    3,948.92x = 5,450.37 × 2,692.98
  4. Step 4: Simplify right side
    3,948.92x = 14,677,706.87
  5. Step 5: Solve for x
    x = 14,677,706.87/3,948.92
  6. Step 6: Final answer
    x = 3,716.89

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