Home / 2,460.90-3,388.77-2,198.82

Finding the Fourth Proportional to 2,460.90, 3,388.77 and 2,198.82

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Solution

The fourth proportional to 2,460.90, 3,388.77 and 2,198.82 is: 3,027.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,460.90 : 3,388.77 = 2,198.82 : x
  2. Step 2: Convert to fraction form
    2,460.90/3,388.77 = 2,198.82/x
  3. Step 3: Cross multiply
    2,460.90x = 3,388.77 × 2,198.82
  4. Step 4: Simplify right side
    2,460.90x = 7,451,295.25
  5. Step 5: Solve for x
    x = 7,451,295.25/2,460.90
  6. Step 6: Final answer
    x = 3,027.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.