Home / 3,219.58-4,850.30-3,179.26

Finding the Fourth Proportional to 3,219.58, 4,850.30 and 3,179.26

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Solution

The fourth proportional to 3,219.58, 4,850.30 and 3,179.26 is: 4,789.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.58 : 4,850.30 = 3,179.26 : x
  2. Step 2: Convert to fraction form
    3,219.58/4,850.30 = 3,179.26/x
  3. Step 3: Cross multiply
    3,219.58x = 4,850.30 × 3,179.26
  4. Step 4: Simplify right side
    3,219.58x = 15,420,364.78
  5. Step 5: Solve for x
    x = 15,420,364.78/3,219.58
  6. Step 6: Final answer
    x = 4,789.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.