Home / 3,161.53-4,744.42-1,896.11

Finding the Fourth Proportional to 3,161.53, 4,744.42 and 1,896.11

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Solution

The fourth proportional to 3,161.53, 4,744.42 and 1,896.11 is: 2,845.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.53 : 4,744.42 = 1,896.11 : x
  2. Step 2: Convert to fraction form
    3,161.53/4,744.42 = 1,896.11/x
  3. Step 3: Cross multiply
    3,161.53x = 4,744.42 × 1,896.11
  4. Step 4: Simplify right side
    3,161.53x = 8,995,942.20
  5. Step 5: Solve for x
    x = 8,995,942.20/3,161.53
  6. Step 6: Final answer
    x = 2,845.44

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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.