Home / 3,269.28-4,512.34-2,011.42

Finding the Fourth Proportional to 3,269.28, 4,512.34 and 2,011.42

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Solution

The fourth proportional to 3,269.28, 4,512.34 and 2,011.42 is: 2,776.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.28 : 4,512.34 = 2,011.42 : x
  2. Step 2: Convert to fraction form
    3,269.28/4,512.34 = 2,011.42/x
  3. Step 3: Cross multiply
    3,269.28x = 4,512.34 × 2,011.42
  4. Step 4: Simplify right side
    3,269.28x = 9,076,210.92
  5. Step 5: Solve for x
    x = 9,076,210.92/3,269.28
  6. Step 6: Final answer
    x = 2,776.21

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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.