Home / 3,213.24-4,430.74-2,092.11

Finding the Fourth Proportional to 3,213.24, 4,430.74 and 2,092.11

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Solution

The fourth proportional to 3,213.24, 4,430.74 and 2,092.11 is: 2,884.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.24 : 4,430.74 = 2,092.11 : x
  2. Step 2: Convert to fraction form
    3,213.24/4,430.74 = 2,092.11/x
  3. Step 3: Cross multiply
    3,213.24x = 4,430.74 × 2,092.11
  4. Step 4: Simplify right side
    3,213.24x = 9,269,595.46
  5. Step 5: Solve for x
    x = 9,269,595.46/3,213.24
  6. Step 6: Final answer
    x = 2,884.81

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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.