Home / 3,396.63-5,092.85-2,225.20

Finding the Fourth Proportional to 3,396.63, 5,092.85 and 2,225.20

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Solution

The fourth proportional to 3,396.63, 5,092.85 and 2,225.20 is: 3,336.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396.63 : 5,092.85 = 2,225.20 : x
  2. Step 2: Convert to fraction form
    3,396.63/5,092.85 = 2,225.20/x
  3. Step 3: Cross multiply
    3,396.63x = 5,092.85 × 2,225.20
  4. Step 4: Simplify right side
    3,396.63x = 11,332,609.82
  5. Step 5: Solve for x
    x = 11,332,609.82/3,396.63
  6. Step 6: Final answer
    x = 3,336.43

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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.