Home / 3,274.86-4,912.90-1,083.68

Finding the Fourth Proportional to 3,274.86, 4,912.90 and 1,083.68

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Solution

The fourth proportional to 3,274.86, 4,912.90 and 1,083.68 is: 1,625.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,274.86 : 4,912.90 = 1,083.68 : x
  2. Step 2: Convert to fraction form
    3,274.86/4,912.90 = 1,083.68/x
  3. Step 3: Cross multiply
    3,274.86x = 4,912.90 × 1,083.68
  4. Step 4: Simplify right side
    3,274.86x = 5,324,011.47
  5. Step 5: Solve for x
    x = 5,324,011.47/3,274.86
  6. Step 6: Final answer
    x = 1,625.72

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1.5x scale

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.