Home / 3,285.13-4,532.20-2,106.85

Finding the Fourth Proportional to 3,285.13, 4,532.20 and 2,106.85

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Solution

The fourth proportional to 3,285.13, 4,532.20 and 2,106.85 is: 2,906.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.13 : 4,532.20 = 2,106.85 : x
  2. Step 2: Convert to fraction form
    3,285.13/4,532.20 = 2,106.85/x
  3. Step 3: Cross multiply
    3,285.13x = 4,532.20 × 2,106.85
  4. Step 4: Simplify right side
    3,285.13x = 9,548,665.57
  5. Step 5: Solve for x
    x = 9,548,665.57/3,285.13
  6. Step 6: Final answer
    x = 2,906.63

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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.