Home / 2,104.13-3,157.55-949.88

Finding the Fourth Proportional to 2,104.13, 3,157.55 and 949.88

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Solution

The fourth proportional to 2,104.13, 3,157.55 and 949.88 is: 1,425.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,104.13 : 3,157.55 = 949.88 : x
  2. Step 2: Convert to fraction form
    2,104.13/3,157.55 = 949.88/x
  3. Step 3: Cross multiply
    2,104.13x = 3,157.55 × 949.88
  4. Step 4: Simplify right side
    2,104.13x = 2,999,273.06
  5. Step 5: Solve for x
    x = 2,999,273.06/2,104.13
  6. Step 6: Final answer
    x = 1,425.43

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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.