Home / 2,491.56-3,736.26-1,942.38

Finding the Fourth Proportional to 2,491.56, 3,736.26 and 1,942.38

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Solution

The fourth proportional to 2,491.56, 3,736.26 and 1,942.38 is: 2,912.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491.56 : 3,736.26 = 1,942.38 : x
  2. Step 2: Convert to fraction form
    2,491.56/3,736.26 = 1,942.38/x
  3. Step 3: Cross multiply
    2,491.56x = 3,736.26 × 1,942.38
  4. Step 4: Simplify right side
    2,491.56x = 7,257,236.70
  5. Step 5: Solve for x
    x = 7,257,236.70/2,491.56
  6. Step 6: Final answer
    x = 2,912.73

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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.