Home / 3,848.96-5,771.39-1,998.20

Finding the Fourth Proportional to 3,848.96, 5,771.39 and 1,998.20

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Solution

The fourth proportional to 3,848.96, 5,771.39 and 1,998.20 is: 2,996.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.96 : 5,771.39 = 1,998.20 : x
  2. Step 2: Convert to fraction form
    3,848.96/5,771.39 = 1,998.20/x
  3. Step 3: Cross multiply
    3,848.96x = 5,771.39 × 1,998.20
  4. Step 4: Simplify right side
    3,848.96x = 11,532,395.94
  5. Step 5: Solve for x
    x = 11,532,395.94/3,848.96
  6. Step 6: Final answer
    x = 2,996.23

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Double scale
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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.