Home / 3,863.70-5,794.34-2,221.02

Finding the Fourth Proportional to 3,863.70, 5,794.34 and 2,221.02

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Solution

The fourth proportional to 3,863.70, 5,794.34 and 2,221.02 is: 3,330.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.70 : 5,794.34 = 2,221.02 : x
  2. Step 2: Convert to fraction form
    3,863.70/5,794.34 = 2,221.02/x
  3. Step 3: Cross multiply
    3,863.70x = 5,794.34 × 2,221.02
  4. Step 4: Simplify right side
    3,863.70x = 12,869,333.92
  5. Step 5: Solve for x
    x = 12,869,333.92/3,863.70
  6. Step 6: Final answer
    x = 3,330.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.