Home / 2,632.24-3,949.20-2,225.20

Finding the Fourth Proportional to 2,632.24, 3,949.20 and 2,225.20

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Solution

The fourth proportional to 2,632.24, 3,949.20 and 2,225.20 is: 3,338.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632.24 : 3,949.20 = 2,225.20 : x
  2. Step 2: Convert to fraction form
    2,632.24/3,949.20 = 2,225.20/x
  3. Step 3: Cross multiply
    2,632.24x = 3,949.20 × 2,225.20
  4. Step 4: Simplify right side
    2,632.24x = 8,787,759.84
  5. Step 5: Solve for x
    x = 8,787,759.84/2,632.24
  6. Step 6: Final answer
    x = 3,338.51

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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.