Home / 3,758.44-5,185.20-2,185.96

Finding the Fourth Proportional to 3,758.44, 5,185.20 and 2,185.96

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Solution

The fourth proportional to 3,758.44, 5,185.20 and 2,185.96 is: 3,015.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,758.44 : 5,185.20 = 2,185.96 : x
  2. Step 2: Convert to fraction form
    3,758.44/5,185.20 = 2,185.96/x
  3. Step 3: Cross multiply
    3,758.44x = 5,185.20 × 2,185.96
  4. Step 4: Simplify right side
    3,758.44x = 11,334,639.79
  5. Step 5: Solve for x
    x = 11,334,639.79/3,758.44
  6. Step 6: Final answer
    x = 3,015.78

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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.