Home / 2,260.47-3,388.53-2,198.55

Finding the Fourth Proportional to 2,260.47, 3,388.53 and 2,198.55

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Solution

The fourth proportional to 2,260.47, 3,388.53 and 2,198.55 is: 3,295.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260.47 : 3,388.53 = 2,198.55 : x
  2. Step 2: Convert to fraction form
    2,260.47/3,388.53 = 2,198.55/x
  3. Step 3: Cross multiply
    2,260.47x = 3,388.53 × 2,198.55
  4. Step 4: Simplify right side
    2,260.47x = 7,449,852.63
  5. Step 5: Solve for x
    x = 7,449,852.63/2,260.47
  6. Step 6: Final answer
    x = 3,295.71

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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.