Home / 2,731.91-3,770.12-1,669.85

Finding the Fourth Proportional to 2,731.91, 3,770.12 and 1,669.85

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Solution

The fourth proportional to 2,731.91, 3,770.12 and 1,669.85 is: 2,304.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.91 : 3,770.12 = 1,669.85 : x
  2. Step 2: Convert to fraction form
    2,731.91/3,770.12 = 1,669.85/x
  3. Step 3: Cross multiply
    2,731.91x = 3,770.12 × 1,669.85
  4. Step 4: Simplify right side
    2,731.91x = 6,295,534.88
  5. Step 5: Solve for x
    x = 6,295,534.88/2,731.91
  6. Step 6: Final answer
    x = 2,304.44

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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.