Home / 3,113.14-4,290.22-2,227.41

Finding the Fourth Proportional to 3,113.14, 4,290.22 and 2,227.41

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Solution

The fourth proportional to 3,113.14, 4,290.22 and 2,227.41 is: 3,069.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.14 : 4,290.22 = 2,227.41 : x
  2. Step 2: Convert to fraction form
    3,113.14/4,290.22 = 2,227.41/x
  3. Step 3: Cross multiply
    3,113.14x = 4,290.22 × 2,227.41
  4. Step 4: Simplify right side
    3,113.14x = 9,556,078.93
  5. Step 5: Solve for x
    x = 9,556,078.93/3,113.14
  6. Step 6: Final answer
    x = 3,069.59

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Double scale
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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.