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Finding the Fourth Proportional to 2,492.93, 3,739.11 and 644.05

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Solution

The fourth proportional to 2,492.93, 3,739.11 and 644.05 is: 966.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492.93 : 3,739.11 = 644.05 : x
  2. Step 2: Convert to fraction form
    2,492.93/3,739.11 = 644.05/x
  3. Step 3: Cross multiply
    2,492.93x = 3,739.11 × 644.05
  4. Step 4: Simplify right side
    2,492.93x = 2,408,179.68
  5. Step 5: Solve for x
    x = 2,408,179.68/2,492.93
  6. Step 6: Final answer
    x = 966.00

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