Home / 3,301.86-4,949.33-1,220.55

Finding the Fourth Proportional to 3,301.86, 4,949.33 and 1,220.55

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Solution

The fourth proportional to 3,301.86, 4,949.33 and 1,220.55 is: 1,829.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,301.86 : 4,949.33 = 1,220.55 : x
  2. Step 2: Convert to fraction form
    3,301.86/4,949.33 = 1,220.55/x
  3. Step 3: Cross multiply
    3,301.86x = 4,949.33 × 1,220.55
  4. Step 4: Simplify right side
    3,301.86x = 6,040,898.63
  5. Step 5: Solve for x
    x = 6,040,898.63/3,301.86
  6. Step 6: Final answer
    x = 1,829.54

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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.