Home / 2,865.44-3,956.09-2,200.97

Finding the Fourth Proportional to 2,865.44, 3,956.09 and 2,200.97

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Solution

The fourth proportional to 2,865.44, 3,956.09 and 2,200.97 is: 3,038.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.44 : 3,956.09 = 2,200.97 : x
  2. Step 2: Convert to fraction form
    2,865.44/3,956.09 = 2,200.97/x
  3. Step 3: Cross multiply
    2,865.44x = 3,956.09 × 2,200.97
  4. Step 4: Simplify right side
    2,865.44x = 8,707,204.62
  5. Step 5: Solve for x
    x = 8,707,204.62/2,865.44
  6. Step 6: Final answer
    x = 3,038.70

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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.