Home / 4,190.22-5,784.60-3,243.90

Finding the Fourth Proportional to 4,190.22, 5,784.60 and 3,243.90

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Solution

The fourth proportional to 4,190.22, 5,784.60 and 3,243.90 is: 4,478.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.22 : 5,784.60 = 3,243.90 : x
  2. Step 2: Convert to fraction form
    4,190.22/5,784.60 = 3,243.90/x
  3. Step 3: Cross multiply
    4,190.22x = 5,784.60 × 3,243.90
  4. Step 4: Simplify right side
    4,190.22x = 18,764,663.94
  5. Step 5: Solve for x
    x = 18,764,663.94/4,190.22
  6. Step 6: Final answer
    x = 4,478.20

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Double scale
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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.