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Finding the Fourth Proportional to 3,085.05, 4,628.30 and 893.82

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Solution

The fourth proportional to 3,085.05, 4,628.30 and 893.82 is: 1,340.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085.05 : 4,628.30 = 893.82 : x
  2. Step 2: Convert to fraction form
    3,085.05/4,628.30 = 893.82/x
  3. Step 3: Cross multiply
    3,085.05x = 4,628.30 × 893.82
  4. Step 4: Simplify right side
    3,085.05x = 4,136,862.64
  5. Step 5: Solve for x
    x = 4,136,862.64/3,085.05
  6. Step 6: Final answer
    x = 1,340.94

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