Home / 3,213.72-4,434.24-2,034.12

Finding the Fourth Proportional to 3,213.72, 4,434.24 and 2,034.12

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Solution

The fourth proportional to 3,213.72, 4,434.24 and 2,034.12 is: 2,806.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.72 : 4,434.24 = 2,034.12 : x
  2. Step 2: Convert to fraction form
    3,213.72/4,434.24 = 2,034.12/x
  3. Step 3: Cross multiply
    3,213.72x = 4,434.24 × 2,034.12
  4. Step 4: Simplify right side
    3,213.72x = 9,019,776.27
  5. Step 5: Solve for x
    x = 9,019,776.27/3,213.72
  6. Step 6: Final answer
    x = 2,806.65

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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.