Home / 3,222.18-4,445.10-2,228.84

Finding the Fourth Proportional to 3,222.18, 4,445.10 and 2,228.84

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Solution

The fourth proportional to 3,222.18, 4,445.10 and 2,228.84 is: 3,074.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.18 : 4,445.10 = 2,228.84 : x
  2. Step 2: Convert to fraction form
    3,222.18/4,445.10 = 2,228.84/x
  3. Step 3: Cross multiply
    3,222.18x = 4,445.10 × 2,228.84
  4. Step 4: Simplify right side
    3,222.18x = 9,907,416.68
  5. Step 5: Solve for x
    x = 9,907,416.68/3,222.18
  6. Step 6: Final answer
    x = 3,074.76

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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.