Home / 3,478.41-5,217.38-1,629.94

Finding the Fourth Proportional to 3,478.41, 5,217.38 and 1,629.94

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Solution

The fourth proportional to 3,478.41, 5,217.38 and 1,629.94 is: 2,444.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478.41 : 5,217.38 = 1,629.94 : x
  2. Step 2: Convert to fraction form
    3,478.41/5,217.38 = 1,629.94/x
  3. Step 3: Cross multiply
    3,478.41x = 5,217.38 × 1,629.94
  4. Step 4: Simplify right side
    3,478.41x = 8,503,995.16
  5. Step 5: Solve for x
    x = 8,503,995.16/3,478.41
  6. Step 6: Final answer
    x = 2,444.79

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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.