Home / 3,229.92-4,461.36-2,809.44

Finding the Fourth Proportional to 3,229.92, 4,461.36 and 2,809.44

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Solution

The fourth proportional to 3,229.92, 4,461.36 and 2,809.44 is: 3,880.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.92 : 4,461.36 = 2,809.44 : x
  2. Step 2: Convert to fraction form
    3,229.92/4,461.36 = 2,809.44/x
  3. Step 3: Cross multiply
    3,229.92x = 4,461.36 × 2,809.44
  4. Step 4: Simplify right side
    3,229.92x = 12,533,923.24
  5. Step 5: Solve for x
    x = 12,533,923.24/3,229.92
  6. Step 6: Final answer
    x = 3,880.57

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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.