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Finding the Fourth Proportional to 3,887.84, 5,363.88 and 2,708.48

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Solution

The fourth proportional to 3,887.84, 5,363.88 and 2,708.48 is: 3,736.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887.84 : 5,363.88 = 2,708.48 : x
  2. Step 2: Convert to fraction form
    3,887.84/5,363.88 = 2,708.48/x
  3. Step 3: Cross multiply
    3,887.84x = 5,363.88 × 2,708.48
  4. Step 4: Simplify right side
    3,887.84x = 14,527,961.70
  5. Step 5: Solve for x
    x = 14,527,961.70/3,887.84
  6. Step 6: Final answer
    x = 3,736.77

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