Home / 3,731.30-5,590.45-1,996.82

Finding the Fourth Proportional to 3,731.30, 5,590.45 and 1,996.82

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Solution

The fourth proportional to 3,731.30, 5,590.45 and 1,996.82 is: 2,991.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,731.30 : 5,590.45 = 1,996.82 : x
  2. Step 2: Convert to fraction form
    3,731.30/5,590.45 = 1,996.82/x
  3. Step 3: Cross multiply
    3,731.30x = 5,590.45 × 1,996.82
  4. Step 4: Simplify right side
    3,731.30x = 11,163,122.37
  5. Step 5: Solve for x
    x = 11,163,122.37/3,731.30
  6. Step 6: Final answer
    x = 2,991.75

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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.