Home / 2,194.90-3,028.97-1,200.15

Finding the Fourth Proportional to 2,194.90, 3,028.97 and 1,200.15

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Solution

The fourth proportional to 2,194.90, 3,028.97 and 1,200.15 is: 1,656.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194.90 : 3,028.97 = 1,200.15 : x
  2. Step 2: Convert to fraction form
    2,194.90/3,028.97 = 1,200.15/x
  3. Step 3: Cross multiply
    2,194.90x = 3,028.97 × 1,200.15
  4. Step 4: Simplify right side
    2,194.90x = 3,635,218.35
  5. Step 5: Solve for x
    x = 3,635,218.35/2,194.90
  6. Step 6: Final answer
    x = 1,656.21

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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.