Home / 2,261.08-3,392.78-1,028.33

Finding the Fourth Proportional to 2,261.08, 3,392.78 and 1,028.33

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Solution

The fourth proportional to 2,261.08, 3,392.78 and 1,028.33 is: 1,543.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261.08 : 3,392.78 = 1,028.33 : x
  2. Step 2: Convert to fraction form
    2,261.08/3,392.78 = 1,028.33/x
  3. Step 3: Cross multiply
    2,261.08x = 3,392.78 × 1,028.33
  4. Step 4: Simplify right side
    2,261.08x = 3,488,890.97
  5. Step 5: Solve for x
    x = 3,488,890.97/2,261.08
  6. Step 6: Final answer
    x = 1,543.02

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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.