Home / 3,478.28-5,217.19-1,629.81

Finding the Fourth Proportional to 3,478.28, 5,217.19 and 1,629.81

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Solution

The fourth proportional to 3,478.28, 5,217.19 and 1,629.81 is: 2,444.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478.28 : 5,217.19 = 1,629.81 : x
  2. Step 2: Convert to fraction form
    3,478.28/5,217.19 = 1,629.81/x
  3. Step 3: Cross multiply
    3,478.28x = 5,217.19 × 1,629.81
  4. Step 4: Simplify right side
    3,478.28x = 8,503,028.43
  5. Step 5: Solve for x
    x = 8,503,028.43/3,478.28
  6. Step 6: Final answer
    x = 2,444.61

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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.