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Finding the Fourth Proportional to 2,895.82, 4,343.82 and 947.80

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Solution

The fourth proportional to 2,895.82, 4,343.82 and 947.80 is: 1,421.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895.82 : 4,343.82 = 947.80 : x
  2. Step 2: Convert to fraction form
    2,895.82/4,343.82 = 947.80/x
  3. Step 3: Cross multiply
    2,895.82x = 4,343.82 × 947.80
  4. Step 4: Simplify right side
    2,895.82x = 4,117,072.60
  5. Step 5: Solve for x
    x = 4,117,072.60/2,895.82
  6. Step 6: Final answer
    x = 1,421.73

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