Home / 3,441.29-4,743.77-2,112.68

Finding the Fourth Proportional to 3,441.29, 4,743.77 and 2,112.68

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Solution

The fourth proportional to 3,441.29, 4,743.77 and 2,112.68 is: 2,912.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,441.29 : 4,743.77 = 2,112.68 : x
  2. Step 2: Convert to fraction form
    3,441.29/4,743.77 = 2,112.68/x
  3. Step 3: Cross multiply
    3,441.29x = 4,743.77 × 2,112.68
  4. Step 4: Simplify right side
    3,441.29x = 10,022,069.30
  5. Step 5: Solve for x
    x = 10,022,069.30/3,441.29
  6. Step 6: Final answer
    x = 2,912.30

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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.