Home / 3,936.08-5,896.92-1,857.80

Finding the Fourth Proportional to 3,936.08, 5,896.92 and 1,857.80

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Solution

The fourth proportional to 3,936.08, 5,896.92 and 1,857.80 is: 2,783.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.08 : 5,896.92 = 1,857.80 : x
  2. Step 2: Convert to fraction form
    3,936.08/5,896.92 = 1,857.80/x
  3. Step 3: Cross multiply
    3,936.08x = 5,896.92 × 1,857.80
  4. Step 4: Simplify right side
    3,936.08x = 10,955,297.98
  5. Step 5: Solve for x
    x = 10,955,297.98/3,936.08
  6. Step 6: Final answer
    x = 2,783.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.