Home / 2,731.62-4,091.51-1,691.89

Finding the Fourth Proportional to 2,731.62, 4,091.51 and 1,691.89

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Solution

The fourth proportional to 2,731.62, 4,091.51 and 1,691.89 is: 2,534.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.62 : 4,091.51 = 1,691.89 : x
  2. Step 2: Convert to fraction form
    2,731.62/4,091.51 = 1,691.89/x
  3. Step 3: Cross multiply
    2,731.62x = 4,091.51 × 1,691.89
  4. Step 4: Simplify right side
    2,731.62x = 6,922,378.85
  5. Step 5: Solve for x
    x = 6,922,378.85/2,731.62
  6. Step 6: Final answer
    x = 2,534.16

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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.