Home / 3,269.92-4,512.90-2,090.56

Finding the Fourth Proportional to 3,269.92, 4,512.90 and 2,090.56

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Solution

The fourth proportional to 3,269.92, 4,512.90 and 2,090.56 is: 2,885.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.92 : 4,512.90 = 2,090.56 : x
  2. Step 2: Convert to fraction form
    3,269.92/4,512.90 = 2,090.56/x
  3. Step 3: Cross multiply
    3,269.92x = 4,512.90 × 2,090.56
  4. Step 4: Simplify right side
    3,269.92x = 9,434,488.22
  5. Step 5: Solve for x
    x = 9,434,488.22/3,269.92
  6. Step 6: Final answer
    x = 2,885.24

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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.