Home / 2,239.36-3,361.20-1,375.36

Finding the Fourth Proportional to 2,239.36, 3,361.20 and 1,375.36

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Solution

The fourth proportional to 2,239.36, 3,361.20 and 1,375.36 is: 2,064.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.36 : 3,361.20 = 1,375.36 : x
  2. Step 2: Convert to fraction form
    2,239.36/3,361.20 = 1,375.36/x
  3. Step 3: Cross multiply
    2,239.36x = 3,361.20 × 1,375.36
  4. Step 4: Simplify right side
    2,239.36x = 4,622,860.03
  5. Step 5: Solve for x
    x = 4,622,860.03/2,239.36
  6. Step 6: Final answer
    x = 2,064.37

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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.