Home / 1,508.96-2,082.94-949.66

Finding the Fourth Proportional to 1,508.96, 2,082.94 and 949.66

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Solution

The fourth proportional to 1,508.96, 2,082.94 and 949.66 is: 1,310.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508.96 : 2,082.94 = 949.66 : x
  2. Step 2: Convert to fraction form
    1,508.96/2,082.94 = 949.66/x
  3. Step 3: Cross multiply
    1,508.96x = 2,082.94 × 949.66
  4. Step 4: Simplify right side
    1,508.96x = 1,978,084.80
  5. Step 5: Solve for x
    x = 1,978,084.80/1,508.96
  6. Step 6: Final answer
    x = 1,310.89

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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.