Home / 3,284.62-4,532.78-2,105.69

Finding the Fourth Proportional to 3,284.62, 4,532.78 and 2,105.69

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Solution

The fourth proportional to 3,284.62, 4,532.78 and 2,105.69 is: 2,905.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,284.62 : 4,532.78 = 2,105.69 : x
  2. Step 2: Convert to fraction form
    3,284.62/4,532.78 = 2,105.69/x
  3. Step 3: Cross multiply
    3,284.62x = 4,532.78 × 2,105.69
  4. Step 4: Simplify right side
    3,284.62x = 9,544,630.32
  5. Step 5: Solve for x
    x = 9,544,630.32/3,284.62
  6. Step 6: Final answer
    x = 2,905.85

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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.