Home / 3,819.80-5,729.82-1,625.48

Finding the Fourth Proportional to 3,819.80, 5,729.82 and 1,625.48

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Solution

The fourth proportional to 3,819.80, 5,729.82 and 1,625.48 is: 2,438.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.80 : 5,729.82 = 1,625.48 : x
  2. Step 2: Convert to fraction form
    3,819.80/5,729.82 = 1,625.48/x
  3. Step 3: Cross multiply
    3,819.80x = 5,729.82 × 1,625.48
  4. Step 4: Simplify right side
    3,819.80x = 9,313,707.81
  5. Step 5: Solve for x
    x = 9,313,707.81/3,819.80
  6. Step 6: Final answer
    x = 2,438.27

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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.