Home / 2,958.38-4,082.70-1,961.94

Finding the Fourth Proportional to 2,958.38, 4,082.70 and 1,961.94

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Solution

The fourth proportional to 2,958.38, 4,082.70 and 1,961.94 is: 2,707.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.38 : 4,082.70 = 1,961.94 : x
  2. Step 2: Convert to fraction form
    2,958.38/4,082.70 = 1,961.94/x
  3. Step 3: Cross multiply
    2,958.38x = 4,082.70 × 1,961.94
  4. Step 4: Simplify right side
    2,958.38x = 8,010,012.44
  5. Step 5: Solve for x
    x = 8,010,012.44/2,958.38
  6. Step 6: Final answer
    x = 2,707.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.