Home / 3,086.75-4,261.66-2,377.26

Finding the Fourth Proportional to 3,086.75, 4,261.66 and 2,377.26

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Solution

The fourth proportional to 3,086.75, 4,261.66 and 2,377.26 is: 3,282.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.75 : 4,261.66 = 2,377.26 : x
  2. Step 2: Convert to fraction form
    3,086.75/4,261.66 = 2,377.26/x
  3. Step 3: Cross multiply
    3,086.75x = 4,261.66 × 2,377.26
  4. Step 4: Simplify right side
    3,086.75x = 10,131,079.75
  5. Step 5: Solve for x
    x = 10,131,079.75/3,086.75
  6. Step 6: Final answer
    x = 3,282.11

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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.