Home / 3,731.44-5,147.94-2,158.96

Finding the Fourth Proportional to 3,731.44, 5,147.94 and 2,158.96

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Solution

The fourth proportional to 3,731.44, 5,147.94 and 2,158.96 is: 2,978.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,731.44 : 5,147.94 = 2,158.96 : x
  2. Step 2: Convert to fraction form
    3,731.44/5,147.94 = 2,158.96/x
  3. Step 3: Cross multiply
    3,731.44x = 5,147.94 × 2,158.96
  4. Step 4: Simplify right side
    3,731.44x = 11,114,196.54
  5. Step 5: Solve for x
    x = 11,114,196.54/3,731.44
  6. Step 6: Final answer
    x = 2,978.53

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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.