Home / 2,850.20-3,935.99-2,694.89

Finding the Fourth Proportional to 2,850.20, 3,935.99 and 2,694.89

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Solution

The fourth proportional to 2,850.20, 3,935.99 and 2,694.89 is: 3,721.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.20 : 3,935.99 = 2,694.89 : x
  2. Step 2: Convert to fraction form
    2,850.20/3,935.99 = 2,694.89/x
  3. Step 3: Cross multiply
    2,850.20x = 3,935.99 × 2,694.89
  4. Step 4: Simplify right side
    2,850.20x = 10,607,060.09
  5. Step 5: Solve for x
    x = 10,607,060.09/2,850.20
  6. Step 6: Final answer
    x = 3,721.51

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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.