Home / 3,208.87-4,814.82-2,223.20

Finding the Fourth Proportional to 3,208.87, 4,814.82 and 2,223.20

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Solution

The fourth proportional to 3,208.87, 4,814.82 and 2,223.20 is: 3,335.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.87 : 4,814.82 = 2,223.20 : x
  2. Step 2: Convert to fraction form
    3,208.87/4,814.82 = 2,223.20/x
  3. Step 3: Cross multiply
    3,208.87x = 4,814.82 × 2,223.20
  4. Step 4: Simplify right side
    3,208.87x = 10,704,307.82
  5. Step 5: Solve for x
    x = 10,704,307.82/3,208.87
  6. Step 6: Final answer
    x = 3,335.85

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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.