Home / 3,081.69-4,240.41-2,995.56

Finding the Fourth Proportional to 3,081.69, 4,240.41 and 2,995.56

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Solution

The fourth proportional to 3,081.69, 4,240.41 and 2,995.56 is: 4,121.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.69 : 4,240.41 = 2,995.56 : x
  2. Step 2: Convert to fraction form
    3,081.69/4,240.41 = 2,995.56/x
  3. Step 3: Cross multiply
    3,081.69x = 4,240.41 × 2,995.56
  4. Step 4: Simplify right side
    3,081.69x = 12,702,402.58
  5. Step 5: Solve for x
    x = 12,702,402.58/3,081.69
  6. Step 6: Final answer
    x = 4,121.89

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Half scale
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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.