Home / 3,213.26-4,434.33-1,971.26

Finding the Fourth Proportional to 3,213.26, 4,434.33 and 1,971.26

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Solution

The fourth proportional to 3,213.26, 4,434.33 and 1,971.26 is: 2,720.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.26 : 4,434.33 = 1,971.26 : x
  2. Step 2: Convert to fraction form
    3,213.26/4,434.33 = 1,971.26/x
  3. Step 3: Cross multiply
    3,213.26x = 4,434.33 × 1,971.26
  4. Step 4: Simplify right side
    3,213.26x = 8,741,217.36
  5. Step 5: Solve for x
    x = 8,741,217.36/3,213.26
  6. Step 6: Final answer
    x = 2,720.36

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Half scale
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Double scale
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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.