Home / 3,819.50-5,725.08-1,738.97

Finding the Fourth Proportional to 3,819.50, 5,725.08 and 1,738.97

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Solution

The fourth proportional to 3,819.50, 5,725.08 and 1,738.97 is: 2,606.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.50 : 5,725.08 = 1,738.97 : x
  2. Step 2: Convert to fraction form
    3,819.50/5,725.08 = 1,738.97/x
  3. Step 3: Cross multiply
    3,819.50x = 5,725.08 × 1,738.97
  4. Step 4: Simplify right side
    3,819.50x = 9,955,735.21
  5. Step 5: Solve for x
    x = 9,955,735.21/3,819.50
  6. Step 6: Final answer
    x = 2,606.55

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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.