Home / 2,239.98-3,361.29-1,255.02

Finding the Fourth Proportional to 2,239.98, 3,361.29 and 1,255.02

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Solution

The fourth proportional to 2,239.98, 3,361.29 and 1,255.02 is: 1,883.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.98 : 3,361.29 = 1,255.02 : x
  2. Step 2: Convert to fraction form
    2,239.98/3,361.29 = 1,255.02/x
  3. Step 3: Cross multiply
    2,239.98x = 3,361.29 × 1,255.02
  4. Step 4: Simplify right side
    2,239.98x = 4,218,486.18
  5. Step 5: Solve for x
    x = 4,218,486.18/2,239.98
  6. Step 6: Final answer
    x = 1,883.27

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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.