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Finding the Fourth Proportional to 3,699.57, 5,105.56 and 2,127.67

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Solution

The fourth proportional to 3,699.57, 5,105.56 and 2,127.67 is: 2,936.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,699.57 : 5,105.56 = 2,127.67 : x
  2. Step 2: Convert to fraction form
    3,699.57/5,105.56 = 2,127.67/x
  3. Step 3: Cross multiply
    3,699.57x = 5,105.56 × 2,127.67
  4. Step 4: Simplify right side
    3,699.57x = 10,862,921.32
  5. Step 5: Solve for x
    x = 10,862,921.32/3,699.57
  6. Step 6: Final answer
    x = 2,936.27

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