Home / 2,273.56-3,409.78-629.72

Finding the Fourth Proportional to 2,273.56, 3,409.78 and 629.72

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Solution

The fourth proportional to 2,273.56, 3,409.78 and 629.72 is: 944.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,273.56 : 3,409.78 = 629.72 : x
  2. Step 2: Convert to fraction form
    2,273.56/3,409.78 = 629.72/x
  3. Step 3: Cross multiply
    2,273.56x = 3,409.78 × 629.72
  4. Step 4: Simplify right side
    2,273.56x = 2,147,206.66
  5. Step 5: Solve for x
    x = 2,147,206.66/2,273.56
  6. Step 6: Final answer
    x = 944.42

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1.5x scale

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.