Home / 2,105.44-3,158.18-949.84

Finding the Fourth Proportional to 2,105.44, 3,158.18 and 949.84

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Solution

The fourth proportional to 2,105.44, 3,158.18 and 949.84 is: 1,424.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105.44 : 3,158.18 = 949.84 : x
  2. Step 2: Convert to fraction form
    2,105.44/3,158.18 = 949.84/x
  3. Step 3: Cross multiply
    2,105.44x = 3,158.18 × 949.84
  4. Step 4: Simplify right side
    2,105.44x = 2,999,765.69
  5. Step 5: Solve for x
    x = 2,999,765.69/2,105.44
  6. Step 6: Final answer
    x = 1,424.77

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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.