Home / 3,284.67-4,920.16-1,636.21

Finding the Fourth Proportional to 3,284.67, 4,920.16 and 1,636.21

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Solution

The fourth proportional to 3,284.67, 4,920.16 and 1,636.21 is: 2,450.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,284.67 : 4,920.16 = 1,636.21 : x
  2. Step 2: Convert to fraction form
    3,284.67/4,920.16 = 1,636.21/x
  3. Step 3: Cross multiply
    3,284.67x = 4,920.16 × 1,636.21
  4. Step 4: Simplify right side
    3,284.67x = 8,050,414.99
  5. Step 5: Solve for x
    x = 8,050,414.99/3,284.67
  6. Step 6: Final answer
    x = 2,450.91

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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.