Home / 2,189.53-3,021.45-1,194.85

Finding the Fourth Proportional to 2,189.53, 3,021.45 and 1,194.85

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Solution

The fourth proportional to 2,189.53, 3,021.45 and 1,194.85 is: 1,648.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189.53 : 3,021.45 = 1,194.85 : x
  2. Step 2: Convert to fraction form
    2,189.53/3,021.45 = 1,194.85/x
  3. Step 3: Cross multiply
    2,189.53x = 3,021.45 × 1,194.85
  4. Step 4: Simplify right side
    2,189.53x = 3,610,179.53
  5. Step 5: Solve for x
    x = 3,610,179.53/2,189.53
  6. Step 6: Final answer
    x = 1,648.84

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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.