Home / 3,819.62-5,270.63-2,226.60

Finding the Fourth Proportional to 3,819.62, 5,270.63 and 2,226.60

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Solution

The fourth proportional to 3,819.62, 5,270.63 and 2,226.60 is: 3,072.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.62 : 5,270.63 = 2,226.60 : x
  2. Step 2: Convert to fraction form
    3,819.62/5,270.63 = 2,226.60/x
  3. Step 3: Cross multiply
    3,819.62x = 5,270.63 × 2,226.60
  4. Step 4: Simplify right side
    3,819.62x = 11,735,573.63
  5. Step 5: Solve for x
    x = 11,735,573.63/3,819.62
  6. Step 6: Final answer
    x = 3,072.45

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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.