Home / 3,229.20-4,457.64-2,734.44

Finding the Fourth Proportional to 3,229.20, 4,457.64 and 2,734.44

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Solution

The fourth proportional to 3,229.20, 4,457.64 and 2,734.44 is: 3,774.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.20 : 4,457.64 = 2,734.44 : x
  2. Step 2: Convert to fraction form
    3,229.20/4,457.64 = 2,734.44/x
  3. Step 3: Cross multiply
    3,229.20x = 4,457.64 × 2,734.44
  4. Step 4: Simplify right side
    3,229.20x = 12,189,149.12
  5. Step 5: Solve for x
    x = 12,189,149.12/3,229.20
  6. Step 6: Final answer
    x = 3,774.67

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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.