Home / 3,189.22-4,403.88-2,450.50

Finding the Fourth Proportional to 3,189.22, 4,403.88 and 2,450.50

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Solution

The fourth proportional to 3,189.22, 4,403.88 and 2,450.50 is: 3,383.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.22 : 4,403.88 = 2,450.50 : x
  2. Step 2: Convert to fraction form
    3,189.22/4,403.88 = 2,450.50/x
  3. Step 3: Cross multiply
    3,189.22x = 4,403.88 × 2,450.50
  4. Step 4: Simplify right side
    3,189.22x = 10,791,707.94
  5. Step 5: Solve for x
    x = 10,791,707.94/3,189.22
  6. Step 6: Final answer
    x = 3,383.81

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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.