Home / 3,919.32-5,869.80-2,824.47

Finding the Fourth Proportional to 3,919.32, 5,869.80 and 2,824.47

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Solution

The fourth proportional to 3,919.32, 5,869.80 and 2,824.47 is: 4,230.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919.32 : 5,869.80 = 2,824.47 : x
  2. Step 2: Convert to fraction form
    3,919.32/5,869.80 = 2,824.47/x
  3. Step 3: Cross multiply
    3,919.32x = 5,869.80 × 2,824.47
  4. Step 4: Simplify right side
    3,919.32x = 16,579,074.01
  5. Step 5: Solve for x
    x = 16,579,074.01/3,919.32
  6. Step 6: Final answer
    x = 4,230.09

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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.