Home / 3,431.96-4,736.98-2,192.12

Finding the Fourth Proportional to 3,431.96, 4,736.98 and 2,192.12

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Solution

The fourth proportional to 3,431.96, 4,736.98 and 2,192.12 is: 3,025.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431.96 : 4,736.98 = 2,192.12 : x
  2. Step 2: Convert to fraction form
    3,431.96/4,736.98 = 2,192.12/x
  3. Step 3: Cross multiply
    3,431.96x = 4,736.98 × 2,192.12
  4. Step 4: Simplify right side
    3,431.96x = 10,384,028.60
  5. Step 5: Solve for x
    x = 10,384,028.60/3,431.96
  6. Step 6: Final answer
    x = 3,025.68

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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.