Home / 2,218.44-3,321.51-1,668.95

Finding the Fourth Proportional to 2,218.44, 3,321.51 and 1,668.95

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Solution

The fourth proportional to 2,218.44, 3,321.51 and 1,668.95 is: 2,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218.44 : 3,321.51 = 1,668.95 : x
  2. Step 2: Convert to fraction form
    2,218.44/3,321.51 = 1,668.95/x
  3. Step 3: Cross multiply
    2,218.44x = 3,321.51 × 1,668.95
  4. Step 4: Simplify right side
    2,218.44x = 5,543,442.39
  5. Step 5: Solve for x
    x = 5,543,442.39/2,218.44
  6. Step 6: Final answer
    x = 2,498.80

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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.