Home / 3,997.80-5,518.44-2,425.50

Finding the Fourth Proportional to 3,997.80, 5,518.44 and 2,425.50

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Solution

The fourth proportional to 3,997.80, 5,518.44 and 2,425.50 is: 3,348.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997.80 : 5,518.44 = 2,425.50 : x
  2. Step 2: Convert to fraction form
    3,997.80/5,518.44 = 2,425.50/x
  3. Step 3: Cross multiply
    3,997.80x = 5,518.44 × 2,425.50
  4. Step 4: Simplify right side
    3,997.80x = 13,384,976.22
  5. Step 5: Solve for x
    x = 13,384,976.22/3,997.80
  6. Step 6: Final answer
    x = 3,348.09

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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.