Home / 3,421.82-5,125.44-2,600.48

Finding the Fourth Proportional to 3,421.82, 5,125.44 and 2,600.48

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Solution

The fourth proportional to 3,421.82, 5,125.44 and 2,600.48 is: 3,895.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421.82 : 5,125.44 = 2,600.48 : x
  2. Step 2: Convert to fraction form
    3,421.82/5,125.44 = 2,600.48/x
  3. Step 3: Cross multiply
    3,421.82x = 5,125.44 × 2,600.48
  4. Step 4: Simplify right side
    3,421.82x = 13,328,604.21
  5. Step 5: Solve for x
    x = 13,328,604.21/3,421.82
  6. Step 6: Final answer
    x = 3,895.18

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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.