Home / 3,217.75-4,815.66-2,698.33

Finding the Fourth Proportional to 3,217.75, 4,815.66 and 2,698.33

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Solution

The fourth proportional to 3,217.75, 4,815.66 and 2,698.33 is: 4,038.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.75 : 4,815.66 = 2,698.33 : x
  2. Step 2: Convert to fraction form
    3,217.75/4,815.66 = 2,698.33/x
  3. Step 3: Cross multiply
    3,217.75x = 4,815.66 × 2,698.33
  4. Step 4: Simplify right side
    3,217.75x = 12,994,239.85
  5. Step 5: Solve for x
    x = 12,994,239.85/3,217.75
  6. Step 6: Final answer
    x = 4,038.30

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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.