Home / 3,109.44-4,291.20-2,060.76

Finding the Fourth Proportional to 3,109.44, 4,291.20 and 2,060.76

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Solution

The fourth proportional to 3,109.44, 4,291.20 and 2,060.76 is: 2,843.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109.44 : 4,291.20 = 2,060.76 : x
  2. Step 2: Convert to fraction form
    3,109.44/4,291.20 = 2,060.76/x
  3. Step 3: Cross multiply
    3,109.44x = 4,291.20 × 2,060.76
  4. Step 4: Simplify right side
    3,109.44x = 8,843,133.31
  5. Step 5: Solve for x
    x = 8,843,133.31/3,109.44
  6. Step 6: Final answer
    x = 2,843.96

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Half scale
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Double 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.