Home / 2,290.44-3,418.20-2,232.12

Finding the Fourth Proportional to 2,290.44, 3,418.20 and 2,232.12

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Solution

The fourth proportional to 2,290.44, 3,418.20 and 2,232.12 is: 3,331.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290.44 : 3,418.20 = 2,232.12 : x
  2. Step 2: Convert to fraction form
    2,290.44/3,418.20 = 2,232.12/x
  3. Step 3: Cross multiply
    2,290.44x = 3,418.20 × 2,232.12
  4. Step 4: Simplify right side
    2,290.44x = 7,629,832.58
  5. Step 5: Solve for x
    x = 7,629,832.58/2,290.44
  6. Step 6: Final answer
    x = 3,331.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.