Home / 3,819.47-5,730.38-3,158.33

Finding the Fourth Proportional to 3,819.47, 5,730.38 and 3,158.33

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Solution

The fourth proportional to 3,819.47, 5,730.38 and 3,158.33 is: 4,738.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.47 : 5,730.38 = 3,158.33 : x
  2. Step 2: Convert to fraction form
    3,819.47/5,730.38 = 3,158.33/x
  3. Step 3: Cross multiply
    3,819.47x = 5,730.38 × 3,158.33
  4. Step 4: Simplify right side
    3,819.47x = 18,098,386.62
  5. Step 5: Solve for x
    x = 18,098,386.62/3,819.47
  6. Step 6: Final answer
    x = 4,738.46

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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.