Home / 3,991.36-5,983.32-1,525.44

Finding the Fourth Proportional to 3,991.36, 5,983.32 and 1,525.44

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Solution

The fourth proportional to 3,991.36, 5,983.32 and 1,525.44 is: 2,286.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991.36 : 5,983.32 = 1,525.44 : x
  2. Step 2: Convert to fraction form
    3,991.36/5,983.32 = 1,525.44/x
  3. Step 3: Cross multiply
    3,991.36x = 5,983.32 × 1,525.44
  4. Step 4: Simplify right side
    3,991.36x = 9,127,195.66
  5. Step 5: Solve for x
    x = 9,127,195.66/3,991.36
  6. Step 6: Final answer
    x = 2,286.74

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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.