Home / 3,819.45-5,271.33-2,327.84

Finding the Fourth Proportional to 3,819.45, 5,271.33 and 2,327.84

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Solution

The fourth proportional to 3,819.45, 5,271.33 and 2,327.84 is: 3,212.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.45 : 5,271.33 = 2,327.84 : x
  2. Step 2: Convert to fraction form
    3,819.45/5,271.33 = 2,327.84/x
  3. Step 3: Cross multiply
    3,819.45x = 5,271.33 × 2,327.84
  4. Step 4: Simplify right side
    3,819.45x = 12,270,801.87
  5. Step 5: Solve for x
    x = 12,270,801.87/3,819.45
  6. Step 6: Final answer
    x = 3,212.71

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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.