Home / 3,954.56-5,456.82-2,185.93

Finding the Fourth Proportional to 3,954.56, 5,456.82 and 2,185.93

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Solution

The fourth proportional to 3,954.56, 5,456.82 and 2,185.93 is: 3,016.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.56 : 5,456.82 = 2,185.93 : x
  2. Step 2: Convert to fraction form
    3,954.56/5,456.82 = 2,185.93/x
  3. Step 3: Cross multiply
    3,954.56x = 5,456.82 × 2,185.93
  4. Step 4: Simplify right side
    3,954.56x = 11,928,221.10
  5. Step 5: Solve for x
    x = 11,928,221.10/3,954.56
  6. Step 6: Final answer
    x = 3,016.32

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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.