Home / 3,269.85-4,512.24-1,777.74

Finding the Fourth Proportional to 3,269.85, 4,512.24 and 1,777.74

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Solution

The fourth proportional to 3,269.85, 4,512.24 and 1,777.74 is: 2,453.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.85 : 4,512.24 = 1,777.74 : x
  2. Step 2: Convert to fraction form
    3,269.85/4,512.24 = 1,777.74/x
  3. Step 3: Cross multiply
    3,269.85x = 4,512.24 × 1,777.74
  4. Step 4: Simplify right side
    3,269.85x = 8,021,589.54
  5. Step 5: Solve for x
    x = 8,021,589.54/3,269.85
  6. Step 6: Final answer
    x = 2,453.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.