Home / 3,634.87-5,453.91-2,820.22

Finding the Fourth Proportional to 3,634.87, 5,453.91 and 2,820.22

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Solution

The fourth proportional to 3,634.87, 5,453.91 and 2,820.22 is: 4,231.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,634.87 : 5,453.91 = 2,820.22 : x
  2. Step 2: Convert to fraction form
    3,634.87/5,453.91 = 2,820.22/x
  3. Step 3: Cross multiply
    3,634.87x = 5,453.91 × 2,820.22
  4. Step 4: Simplify right side
    3,634.87x = 15,381,226.06
  5. Step 5: Solve for x
    x = 15,381,226.06/3,634.87
  6. Step 6: Final answer
    x = 4,231.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.