Home / 2,144.90-3,222.75-1,365.26

Finding the Fourth Proportional to 2,144.90, 3,222.75 and 1,365.26

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Solution

The fourth proportional to 2,144.90, 3,222.75 and 1,365.26 is: 2,051.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144.90 : 3,222.75 = 1,365.26 : x
  2. Step 2: Convert to fraction form
    2,144.90/3,222.75 = 1,365.26/x
  3. Step 3: Cross multiply
    2,144.90x = 3,222.75 × 1,365.26
  4. Step 4: Simplify right side
    2,144.90x = 4,399,891.67
  5. Step 5: Solve for x
    x = 4,399,891.67/2,144.90
  6. Step 6: Final answer
    x = 2,051.33

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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.