Home / 3,794.29-5,236.20-2,115.77

Finding the Fourth Proportional to 3,794.29, 5,236.20 and 2,115.77

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Solution

The fourth proportional to 3,794.29, 5,236.20 and 2,115.77 is: 2,919.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,794.29 : 5,236.20 = 2,115.77 : x
  2. Step 2: Convert to fraction form
    3,794.29/5,236.20 = 2,115.77/x
  3. Step 3: Cross multiply
    3,794.29x = 5,236.20 × 2,115.77
  4. Step 4: Simplify right side
    3,794.29x = 11,078,568.69
  5. Step 5: Solve for x
    x = 11,078,568.69/3,794.29
  6. Step 6: Final answer
    x = 2,919.80

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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.