Home / 3,269.35-4,512.68-2,151.15

Finding the Fourth Proportional to 3,269.35, 4,512.68 and 2,151.15

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Solution

The fourth proportional to 3,269.35, 4,512.68 and 2,151.15 is: 2,969.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.35 : 4,512.68 = 2,151.15 : x
  2. Step 2: Convert to fraction form
    3,269.35/4,512.68 = 2,151.15/x
  3. Step 3: Cross multiply
    3,269.35x = 4,512.68 × 2,151.15
  4. Step 4: Simplify right side
    3,269.35x = 9,707,451.58
  5. Step 5: Solve for x
    x = 9,707,451.58/3,269.35
  6. Step 6: Final answer
    x = 2,969.23

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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.