Home / 3,106.82-4,660.21-2,951.09

Finding the Fourth Proportional to 3,106.82, 4,660.21 and 2,951.09

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Solution

The fourth proportional to 3,106.82, 4,660.21 and 2,951.09 is: 4,426.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.82 : 4,660.21 = 2,951.09 : x
  2. Step 2: Convert to fraction form
    3,106.82/4,660.21 = 2,951.09/x
  3. Step 3: Cross multiply
    3,106.82x = 4,660.21 × 2,951.09
  4. Step 4: Simplify right side
    3,106.82x = 13,752,699.13
  5. Step 5: Solve for x
    x = 13,752,699.13/3,106.82
  6. Step 6: Final answer
    x = 4,426.62

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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.