Home / 3,691.67-5,096.91-2,850.89

Finding the Fourth Proportional to 3,691.67, 5,096.91 and 2,850.89

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Solution

The fourth proportional to 3,691.67, 5,096.91 and 2,850.89 is: 3,936.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.67 : 5,096.91 = 2,850.89 : x
  2. Step 2: Convert to fraction form
    3,691.67/5,096.91 = 2,850.89/x
  3. Step 3: Cross multiply
    3,691.67x = 5,096.91 × 2,850.89
  4. Step 4: Simplify right side
    3,691.67x = 14,530,715.50
  5. Step 5: Solve for x
    x = 14,530,715.50/3,691.67
  6. Step 6: Final answer
    x = 3,936.08

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1.5x scale

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.