Home / 3,819.53-5,270.99-2,227.28

Finding the Fourth Proportional to 3,819.53, 5,270.99 and 2,227.28

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Solution

The fourth proportional to 3,819.53, 5,270.99 and 2,227.28 is: 3,073.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.53 : 5,270.99 = 2,227.28 : x
  2. Step 2: Convert to fraction form
    3,819.53/5,270.99 = 2,227.28/x
  3. Step 3: Cross multiply
    3,819.53x = 5,270.99 × 2,227.28
  4. Step 4: Simplify right side
    3,819.53x = 11,739,933.12
  5. Step 5: Solve for x
    x = 11,739,933.12/3,819.53
  6. Step 6: Final answer
    x = 3,073.66

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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.