Home / 3,793.15-5,221.88-2,847.35

Finding the Fourth Proportional to 3,793.15, 5,221.88 and 2,847.35

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Solution

The fourth proportional to 3,793.15, 5,221.88 and 2,847.35 is: 3,919.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,793.15 : 5,221.88 = 2,847.35 : x
  2. Step 2: Convert to fraction form
    3,793.15/5,221.88 = 2,847.35/x
  3. Step 3: Cross multiply
    3,793.15x = 5,221.88 × 2,847.35
  4. Step 4: Simplify right side
    3,793.15x = 14,868,533.52
  5. Step 5: Solve for x
    x = 14,868,533.52/3,793.15
  6. Step 6: Final answer
    x = 3,919.83

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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.