Home / 1,997.22-2,751.66-1,472.34

Finding the Fourth Proportional to 1,997.22, 2,751.66 and 1,472.34

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Solution

The fourth proportional to 1,997.22, 2,751.66 and 1,472.34 is: 2,028.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997.22 : 2,751.66 = 1,472.34 : x
  2. Step 2: Convert to fraction form
    1,997.22/2,751.66 = 1,472.34/x
  3. Step 3: Cross multiply
    1,997.22x = 2,751.66 × 1,472.34
  4. Step 4: Simplify right side
    1,997.22x = 4,051,379.08
  5. Step 5: Solve for x
    x = 4,051,379.08/1,997.22
  6. Step 6: Final answer
    x = 2,028.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.