Home / 2,849.70-3,935.30-2,694.39

Finding the Fourth Proportional to 2,849.70, 3,935.30 and 2,694.39

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Solution

The fourth proportional to 2,849.70, 3,935.30 and 2,694.39 is: 3,720.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.70 : 3,935.30 = 2,694.39 : x
  2. Step 2: Convert to fraction form
    2,849.70/3,935.30 = 2,694.39/x
  3. Step 3: Cross multiply
    2,849.70x = 3,935.30 × 2,694.39
  4. Step 4: Simplify right side
    2,849.70x = 10,603,230.96
  5. Step 5: Solve for x
    x = 10,603,230.96/2,849.70
  6. Step 6: Final answer
    x = 3,720.83

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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.