Home / 2,194.89-3,028.95-1,200.18

Finding the Fourth Proportional to 2,194.89, 3,028.95 and 1,200.18

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Solution

The fourth proportional to 2,194.89, 3,028.95 and 1,200.18 is: 1,656.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194.89 : 3,028.95 = 1,200.18 : x
  2. Step 2: Convert to fraction form
    2,194.89/3,028.95 = 1,200.18/x
  3. Step 3: Cross multiply
    2,194.89x = 3,028.95 × 1,200.18
  4. Step 4: Simplify right side
    2,194.89x = 3,635,285.21
  5. Step 5: Solve for x
    x = 3,635,285.21/2,194.89
  6. Step 6: Final answer
    x = 1,656.25

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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.