Home / 3,226.90-4,825.77-2,486.38

Finding the Fourth Proportional to 3,226.90, 4,825.77 and 2,486.38

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Solution

The fourth proportional to 3,226.90, 4,825.77 and 2,486.38 is: 3,718.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.90 : 4,825.77 = 2,486.38 : x
  2. Step 2: Convert to fraction form
    3,226.90/4,825.77 = 2,486.38/x
  3. Step 3: Cross multiply
    3,226.90x = 4,825.77 × 2,486.38
  4. Step 4: Simplify right side
    3,226.90x = 11,998,698.01
  5. Step 5: Solve for x
    x = 11,998,698.01/3,226.90
  6. Step 6: Final answer
    x = 3,718.34

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1.5x scale

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.