Home / 2,843.10-3,936.60-2,624.40

Finding the Fourth Proportional to 2,843.10, 3,936.60 and 2,624.40

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Solution

The fourth proportional to 2,843.10, 3,936.60 and 2,624.40 is: 3,633.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,843.10 : 3,936.60 = 2,624.40 : x
  2. Step 2: Convert to fraction form
    2,843.10/3,936.60 = 2,624.40/x
  3. Step 3: Cross multiply
    2,843.10x = 3,936.60 × 2,624.40
  4. Step 4: Simplify right side
    2,843.10x = 10,331,213.04
  5. Step 5: Solve for x
    x = 10,331,213.04/2,843.10
  6. Step 6: Final answer
    x = 3,633.78

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Similar ratio
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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.