Home / 3,472.45-4,791.96-1,900.54

Finding the Fourth Proportional to 3,472.45, 4,791.96 and 1,900.54

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Solution

The fourth proportional to 3,472.45, 4,791.96 and 1,900.54 is: 2,622.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472.45 : 4,791.96 = 1,900.54 : x
  2. Step 2: Convert to fraction form
    3,472.45/4,791.96 = 1,900.54/x
  3. Step 3: Cross multiply
    3,472.45x = 4,791.96 × 1,900.54
  4. Step 4: Simplify right side
    3,472.45x = 9,107,311.66
  5. Step 5: Solve for x
    x = 9,107,311.66/3,472.45
  6. Step 6: Final answer
    x = 2,622.73

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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.