Home / 2,272.82-3,409.45-629.37

Finding the Fourth Proportional to 2,272.82, 3,409.45 and 629.37

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Solution

The fourth proportional to 2,272.82, 3,409.45 and 629.37 is: 944.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272.82 : 3,409.45 = 629.37 : x
  2. Step 2: Convert to fraction form
    2,272.82/3,409.45 = 629.37/x
  3. Step 3: Cross multiply
    2,272.82x = 3,409.45 × 629.37
  4. Step 4: Simplify right side
    2,272.82x = 2,145,803.97
  5. Step 5: Solve for x
    x = 2,145,803.97/2,272.82
  6. Step 6: Final answer
    x = 944.12

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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.