Home / 3,421.91-5,142.48-2,035.49

Finding the Fourth Proportional to 3,421.91, 5,142.48 and 2,035.49

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Solution

The fourth proportional to 3,421.91, 5,142.48 and 2,035.49 is: 3,058.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421.91 : 5,142.48 = 2,035.49 : x
  2. Step 2: Convert to fraction form
    3,421.91/5,142.48 = 2,035.49/x
  3. Step 3: Cross multiply
    3,421.91x = 5,142.48 × 2,035.49
  4. Step 4: Simplify right side
    3,421.91x = 10,467,456.44
  5. Step 5: Solve for x
    x = 10,467,456.44/3,421.91
  6. Step 6: Final answer
    x = 3,058.96

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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.