Home / 3,919.05-5,882.58-2,069.82

Finding the Fourth Proportional to 3,919.05, 5,882.58 and 2,069.82

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Solution

The fourth proportional to 3,919.05, 5,882.58 and 2,069.82 is: 3,106.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919.05 : 5,882.58 = 2,069.82 : x
  2. Step 2: Convert to fraction form
    3,919.05/5,882.58 = 2,069.82/x
  3. Step 3: Cross multiply
    3,919.05x = 5,882.58 × 2,069.82
  4. Step 4: Simplify right side
    3,919.05x = 12,175,881.74
  5. Step 5: Solve for x
    x = 12,175,881.74/3,919.05
  6. Step 6: Final answer
    x = 3,106.85

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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.