Home / 3,301.61-4,949.66-1,220.42

Finding the Fourth Proportional to 3,301.61, 4,949.66 and 1,220.42

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Solution

The fourth proportional to 3,301.61, 4,949.66 and 1,220.42 is: 1,829.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,301.61 : 4,949.66 = 1,220.42 : x
  2. Step 2: Convert to fraction form
    3,301.61/4,949.66 = 1,220.42/x
  3. Step 3: Cross multiply
    3,301.61x = 4,949.66 × 1,220.42
  4. Step 4: Simplify right side
    3,301.61x = 6,040,679.48
  5. Step 5: Solve for x
    x = 6,040,679.48/3,301.61
  6. Step 6: Final answer
    x = 1,829.62

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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.