Home / 2,194.38-3,293.28-1,270.80

Finding the Fourth Proportional to 2,194.38, 3,293.28 and 1,270.80

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Solution

The fourth proportional to 2,194.38, 3,293.28 and 1,270.80 is: 1,907.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194.38 : 3,293.28 = 1,270.80 : x
  2. Step 2: Convert to fraction form
    2,194.38/3,293.28 = 1,270.80/x
  3. Step 3: Cross multiply
    2,194.38x = 3,293.28 × 1,270.80
  4. Step 4: Simplify right side
    2,194.38x = 4,185,100.22
  5. Step 5: Solve for x
    x = 4,185,100.22/2,194.38
  6. Step 6: Final answer
    x = 1,907.19

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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.