Home / 3,148.44-4,731.32-2,942.73

Finding the Fourth Proportional to 3,148.44, 4,731.32 and 2,942.73

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Solution

The fourth proportional to 3,148.44, 4,731.32 and 2,942.73 is: 4,422.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.44 : 4,731.32 = 2,942.73 : x
  2. Step 2: Convert to fraction form
    3,148.44/4,731.32 = 2,942.73/x
  3. Step 3: Cross multiply
    3,148.44x = 4,731.32 × 2,942.73
  4. Step 4: Simplify right side
    3,148.44x = 13,922,997.30
  5. Step 5: Solve for x
    x = 13,922,997.30/3,148.44
  6. Step 6: Final answer
    x = 4,422.19

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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.