Home / 4,220.25-5,824.22-2,649.39

Finding the Fourth Proportional to 4,220.25, 5,824.22 and 2,649.39

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Solution

The fourth proportional to 4,220.25, 5,824.22 and 2,649.39 is: 3,656.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.25 : 5,824.22 = 2,649.39 : x
  2. Step 2: Convert to fraction form
    4,220.25/5,824.22 = 2,649.39/x
  3. Step 3: Cross multiply
    4,220.25x = 5,824.22 × 2,649.39
  4. Step 4: Simplify right side
    4,220.25x = 15,430,616.98
  5. Step 5: Solve for x
    x = 15,430,616.98/4,220.25
  6. Step 6: Final answer
    x = 3,656.33

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Double scale
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Similar ratio
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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.