Home / 3,997.43-5,515.36-2,272.69

Finding the Fourth Proportional to 3,997.43, 5,515.36 and 2,272.69

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Solution

The fourth proportional to 3,997.43, 5,515.36 and 2,272.69 is: 3,135.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997.43 : 5,515.36 = 2,272.69 : x
  2. Step 2: Convert to fraction form
    3,997.43/5,515.36 = 2,272.69/x
  3. Step 3: Cross multiply
    3,997.43x = 5,515.36 × 2,272.69
  4. Step 4: Simplify right side
    3,997.43x = 12,534,703.52
  5. Step 5: Solve for x
    x = 12,534,703.52/3,997.43
  6. Step 6: Final answer
    x = 3,135.69

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,998.43, 5,516.74 and 2,273.69
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.