Home / 3,815.23-5,266.62-2,767.09

Finding the Fourth Proportional to 3,815.23, 5,266.62 and 2,767.09

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Solution

The fourth proportional to 3,815.23, 5,266.62 and 2,767.09 is: 3,819.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.23 : 5,266.62 = 2,767.09 : x
  2. Step 2: Convert to fraction form
    3,815.23/5,266.62 = 2,767.09/x
  3. Step 3: Cross multiply
    3,815.23x = 5,266.62 × 2,767.09
  4. Step 4: Simplify right side
    3,815.23x = 14,573,211.54
  5. Step 5: Solve for x
    x = 14,573,211.54/3,815.23
  6. Step 6: Final answer
    x = 3,819.75

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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.