Home / 3,819.51-5,728.67-2,338.23

Finding the Fourth Proportional to 3,819.51, 5,728.67 and 2,338.23

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Solution

The fourth proportional to 3,819.51, 5,728.67 and 2,338.23 is: 3,506.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.51 : 5,728.67 = 2,338.23 : x
  2. Step 2: Convert to fraction form
    3,819.51/5,728.67 = 2,338.23/x
  3. Step 3: Cross multiply
    3,819.51x = 5,728.67 × 2,338.23
  4. Step 4: Simplify right side
    3,819.51x = 13,394,923.65
  5. Step 5: Solve for x
    x = 13,394,923.65/3,819.51
  6. Step 6: Final answer
    x = 3,506.97

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1.5x scale

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.