Home / 3,213.75-4,819.37-1,364.94

Finding the Fourth Proportional to 3,213.75, 4,819.37 and 1,364.94

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Solution

The fourth proportional to 3,213.75, 4,819.37 and 1,364.94 is: 2,046.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.75 : 4,819.37 = 1,364.94 : x
  2. Step 2: Convert to fraction form
    3,213.75/4,819.37 = 1,364.94/x
  3. Step 3: Cross multiply
    3,213.75x = 4,819.37 × 1,364.94
  4. Step 4: Simplify right side
    3,213.75x = 6,578,148.80
  5. Step 5: Solve for x
    x = 6,578,148.80/3,213.75
  6. Step 6: Final answer
    x = 2,046.88

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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.