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Finding the Fourth Proportional to 3,570.77, 4,927.89 and 1,998.96

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Solution

The fourth proportional to 3,570.77, 4,927.89 and 1,998.96 is: 2,758.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.77 : 4,927.89 = 1,998.96 : x
  2. Step 2: Convert to fraction form
    3,570.77/4,927.89 = 1,998.96/x
  3. Step 3: Cross multiply
    3,570.77x = 4,927.89 × 1,998.96
  4. Step 4: Simplify right side
    3,570.77x = 9,850,654.99
  5. Step 5: Solve for x
    x = 9,850,654.99/3,570.77
  6. Step 6: Final answer
    x = 2,758.70

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