Home / 3,086.56-4,261.44-2,754.42

Finding the Fourth Proportional to 3,086.56, 4,261.44 and 2,754.42

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Solution

The fourth proportional to 3,086.56, 4,261.44 and 2,754.42 is: 3,802.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.56 : 4,261.44 = 2,754.42 : x
  2. Step 2: Convert to fraction form
    3,086.56/4,261.44 = 2,754.42/x
  3. Step 3: Cross multiply
    3,086.56x = 4,261.44 × 2,754.42
  4. Step 4: Simplify right side
    3,086.56x = 11,737,795.56
  5. Step 5: Solve for x
    x = 11,737,795.56/3,086.56
  6. Step 6: Final answer
    x = 3,802.87

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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.