Home / 3,731.21-5,149.82-2,845.43

Finding the Fourth Proportional to 3,731.21, 5,149.82 and 2,845.43

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Solution

The fourth proportional to 3,731.21, 5,149.82 and 2,845.43 is: 3,927.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,731.21 : 5,149.82 = 2,845.43 : x
  2. Step 2: Convert to fraction form
    3,731.21/5,149.82 = 2,845.43/x
  3. Step 3: Cross multiply
    3,731.21x = 5,149.82 × 2,845.43
  4. Step 4: Simplify right side
    3,731.21x = 14,653,452.32
  5. Step 5: Solve for x
    x = 14,653,452.32/3,731.21
  6. Step 6: Final answer
    x = 3,927.27

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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.