Home / 2,767.77-3,819.57-1,508.85

Finding the Fourth Proportional to 2,767.77, 3,819.57 and 1,508.85

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Solution

The fourth proportional to 2,767.77, 3,819.57 and 1,508.85 is: 2,082.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.77 : 3,819.57 = 1,508.85 : x
  2. Step 2: Convert to fraction form
    2,767.77/3,819.57 = 1,508.85/x
  3. Step 3: Cross multiply
    2,767.77x = 3,819.57 × 1,508.85
  4. Step 4: Simplify right side
    2,767.77x = 5,763,158.19
  5. Step 5: Solve for x
    x = 5,763,158.19/2,767.77
  6. Step 6: Final answer
    x = 2,082.24

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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.