Home / 2,767.88-3,819.68-1,508.94

Finding the Fourth Proportional to 2,767.88, 3,819.68 and 1,508.94

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Solution

The fourth proportional to 2,767.88, 3,819.68 and 1,508.94 is: 2,082.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.88 : 3,819.68 = 1,508.94 : x
  2. Step 2: Convert to fraction form
    2,767.88/3,819.68 = 1,508.94/x
  3. Step 3: Cross multiply
    2,767.88x = 3,819.68 × 1,508.94
  4. Step 4: Simplify right side
    2,767.88x = 5,763,651.73
  5. Step 5: Solve for x
    x = 5,763,651.73/2,767.88
  6. Step 6: Final answer
    x = 2,082.33

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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.