Home / 3,789.12-5,228.60-2,794.94

Finding the Fourth Proportional to 3,789.12, 5,228.60 and 2,794.94

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Solution

The fourth proportional to 3,789.12, 5,228.60 and 2,794.94 is: 3,856.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789.12 : 5,228.60 = 2,794.94 : x
  2. Step 2: Convert to fraction form
    3,789.12/5,228.60 = 2,794.94/x
  3. Step 3: Cross multiply
    3,789.12x = 5,228.60 × 2,794.94
  4. Step 4: Simplify right side
    3,789.12x = 14,613,623.28
  5. Step 5: Solve for x
    x = 14,613,623.28/3,789.12
  6. Step 6: Final answer
    x = 3,856.73

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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.