Home / 3,621.20-4,997.41-2,224.40

Finding the Fourth Proportional to 3,621.20, 4,997.41 and 2,224.40

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Solution

The fourth proportional to 3,621.20, 4,997.41 and 2,224.40 is: 3,069.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.20 : 4,997.41 = 2,224.40 : x
  2. Step 2: Convert to fraction form
    3,621.20/4,997.41 = 2,224.40/x
  3. Step 3: Cross multiply
    3,621.20x = 4,997.41 × 2,224.40
  4. Step 4: Simplify right side
    3,621.20x = 11,116,227.68
  5. Step 5: Solve for x
    x = 11,116,227.68/3,621.20
  6. Step 6: Final answer
    x = 3,069.76

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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.