Home / 3,283.91-4,919.03-1,635.46

Finding the Fourth Proportional to 3,283.91, 4,919.03 and 1,635.46

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Solution

The fourth proportional to 3,283.91, 4,919.03 and 1,635.46 is: 2,449.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,283.91 : 4,919.03 = 1,635.46 : x
  2. Step 2: Convert to fraction form
    3,283.91/4,919.03 = 1,635.46/x
  3. Step 3: Cross multiply
    3,283.91x = 4,919.03 × 1,635.46
  4. Step 4: Simplify right side
    3,283.91x = 8,044,876.80
  5. Step 5: Solve for x
    x = 8,044,876.80/3,283.91
  6. Step 6: Final answer
    x = 2,449.79

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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.