Home / 3,786.21-5,227.38-2,593.20

Finding the Fourth Proportional to 3,786.21, 5,227.38 and 2,593.20

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Solution

The fourth proportional to 3,786.21, 5,227.38 and 2,593.20 is: 3,580.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786.21 : 5,227.38 = 2,593.20 : x
  2. Step 2: Convert to fraction form
    3,786.21/5,227.38 = 2,593.20/x
  3. Step 3: Cross multiply
    3,786.21x = 5,227.38 × 2,593.20
  4. Step 4: Simplify right side
    3,786.21x = 13,555,641.82
  5. Step 5: Solve for x
    x = 13,555,641.82/3,786.21
  6. Step 6: Final answer
    x = 3,580.27

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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.