Home / 2,467.20-3,698.40-2,208

Finding the Fourth Proportional to 2,467.20, 3,698.40 and 2,208

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Solution

The fourth proportional to 2,467.20, 3,698.40 and 2,208 is: 3,309.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,467.20 : 3,698.40 = 2,208 : x
  2. Step 2: Convert to fraction form
    2,467.20/3,698.40 = 2,208/x
  3. Step 3: Cross multiply
    2,467.20x = 3,698.40 × 2,208
  4. Step 4: Simplify right side
    2,467.20x = 8,166,067.20
  5. Step 5: Solve for x
    x = 8,166,067.20/2,467.20
  6. Step 6: Final answer
    x = 3,309.85

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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.