Home / 3,936.49-5,904.75-1,471.28

Finding the Fourth Proportional to 3,936.49, 5,904.75 and 1,471.28

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Solution

The fourth proportional to 3,936.49, 5,904.75 and 1,471.28 is: 2,206.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.49 : 5,904.75 = 1,471.28 : x
  2. Step 2: Convert to fraction form
    3,936.49/5,904.75 = 1,471.28/x
  3. Step 3: Cross multiply
    3,936.49x = 5,904.75 × 1,471.28
  4. Step 4: Simplify right side
    3,936.49x = 8,687,540.58
  5. Step 5: Solve for x
    x = 8,687,540.58/3,936.49
  6. Step 6: Final answer
    x = 2,206.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.