Home / 3,819.29-5,729.33-2,175.39

Finding the Fourth Proportional to 3,819.29, 5,729.33 and 2,175.39

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Solution

The fourth proportional to 3,819.29, 5,729.33 and 2,175.39 is: 3,263.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.29 : 5,729.33 = 2,175.39 : x
  2. Step 2: Convert to fraction form
    3,819.29/5,729.33 = 2,175.39/x
  3. Step 3: Cross multiply
    3,819.29x = 5,729.33 × 2,175.39
  4. Step 4: Simplify right side
    3,819.29x = 12,463,532.63
  5. Step 5: Solve for x
    x = 12,463,532.63/3,819.29
  6. Step 6: Final answer
    x = 3,263.32

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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.