Home / 2,731.82-4,097.45-1,635.38

Finding the Fourth Proportional to 2,731.82, 4,097.45 and 1,635.38

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Solution

The fourth proportional to 2,731.82, 4,097.45 and 1,635.38 is: 2,452.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.82 : 4,097.45 = 1,635.38 : x
  2. Step 2: Convert to fraction form
    2,731.82/4,097.45 = 1,635.38/x
  3. Step 3: Cross multiply
    2,731.82x = 4,097.45 × 1,635.38
  4. Step 4: Simplify right side
    2,731.82x = 6,700,859.12
  5. Step 5: Solve for x
    x = 6,700,859.12/2,731.82
  6. Step 6: Final answer
    x = 2,452.90

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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.