Home / 3,115.20-4,296.55-1,996.24

Finding the Fourth Proportional to 3,115.20, 4,296.55 and 1,996.24

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Solution

The fourth proportional to 3,115.20, 4,296.55 and 1,996.24 is: 2,753.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.20 : 4,296.55 = 1,996.24 : x
  2. Step 2: Convert to fraction form
    3,115.20/4,296.55 = 1,996.24/x
  3. Step 3: Cross multiply
    3,115.20x = 4,296.55 × 1,996.24
  4. Step 4: Simplify right side
    3,115.20x = 8,576,944.97
  5. Step 5: Solve for x
    x = 8,576,944.97/3,115.20
  6. Step 6: Final answer
    x = 2,753.26

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,116.20, 4,297.93 and 1,997.24
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.