Home / 3,819.78-5,724.88-2,064.71

Finding the Fourth Proportional to 3,819.78, 5,724.88 and 2,064.71

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Solution

The fourth proportional to 3,819.78, 5,724.88 and 2,064.71 is: 3,094.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.78 : 5,724.88 = 2,064.71 : x
  2. Step 2: Convert to fraction form
    3,819.78/5,724.88 = 2,064.71/x
  3. Step 3: Cross multiply
    3,819.78x = 5,724.88 × 2,064.71
  4. Step 4: Simplify right side
    3,819.78x = 11,820,226.14
  5. Step 5: Solve for x
    x = 11,820,226.14/3,819.78
  6. Step 6: Final answer
    x = 3,094.48

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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.