Home / 3,403.36-5,103.46-1,998.20

Finding the Fourth Proportional to 3,403.36, 5,103.46 and 1,998.20

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Solution

The fourth proportional to 3,403.36, 5,103.46 and 1,998.20 is: 2,996.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.36 : 5,103.46 = 1,998.20 : x
  2. Step 2: Convert to fraction form
    3,403.36/5,103.46 = 1,998.20/x
  3. Step 3: Cross multiply
    3,403.36x = 5,103.46 × 1,998.20
  4. Step 4: Simplify right side
    3,403.36x = 10,197,733.77
  5. Step 5: Solve for x
    x = 10,197,733.77/3,403.36
  6. Step 6: Final answer
    x = 2,996.37

Related Problems

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Half scale
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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.