Home / 2,190.06-3,285.10-729.22

Finding the Fourth Proportional to 2,190.06, 3,285.10 and 729.22

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Solution

The fourth proportional to 2,190.06, 3,285.10 and 729.22 is: 1,093.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.06 : 3,285.10 = 729.22 : x
  2. Step 2: Convert to fraction form
    2,190.06/3,285.10 = 729.22/x
  3. Step 3: Cross multiply
    2,190.06x = 3,285.10 × 729.22
  4. Step 4: Simplify right side
    2,190.06x = 2,395,560.62
  5. Step 5: Solve for x
    x = 2,395,560.62/2,190.06
  6. Step 6: Final answer
    x = 1,093.83

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Similar ratio
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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.