Home / 3,523.82-5,285.04-1,331.96

Finding the Fourth Proportional to 3,523.82, 5,285.04 and 1,331.96

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Solution

The fourth proportional to 3,523.82, 5,285.04 and 1,331.96 is: 1,997.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,523.82 : 5,285.04 = 1,331.96 : x
  2. Step 2: Convert to fraction form
    3,523.82/5,285.04 = 1,331.96/x
  3. Step 3: Cross multiply
    3,523.82x = 5,285.04 × 1,331.96
  4. Step 4: Simplify right side
    3,523.82x = 7,039,461.88
  5. Step 5: Solve for x
    x = 7,039,461.88/3,523.82
  6. Step 6: Final answer
    x = 1,997.68

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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.