Home / 3,009.29-4,520.86-2,133.96

Finding the Fourth Proportional to 3,009.29, 4,520.86 and 2,133.96

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Solution

The fourth proportional to 3,009.29, 4,520.86 and 2,133.96 is: 3,205.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.29 : 4,520.86 = 2,133.96 : x
  2. Step 2: Convert to fraction form
    3,009.29/4,520.86 = 2,133.96/x
  3. Step 3: Cross multiply
    3,009.29x = 4,520.86 × 2,133.96
  4. Step 4: Simplify right side
    3,009.29x = 9,647,330.48
  5. Step 5: Solve for x
    x = 9,647,330.48/3,009.29
  6. Step 6: Final answer
    x = 3,205.85

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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.