Home / 3,956.69-5,450.94-2,759.49

Finding the Fourth Proportional to 3,956.69, 5,450.94 and 2,759.49

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Solution

The fourth proportional to 3,956.69, 5,450.94 and 2,759.49 is: 3,801.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956.69 : 5,450.94 = 2,759.49 : x
  2. Step 2: Convert to fraction form
    3,956.69/5,450.94 = 2,759.49/x
  3. Step 3: Cross multiply
    3,956.69x = 5,450.94 × 2,759.49
  4. Step 4: Simplify right side
    3,956.69x = 15,041,814.42
  5. Step 5: Solve for x
    x = 15,041,814.42/3,956.69
  6. Step 6: Final answer
    x = 3,801.62

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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.