Home / 1,450.26-2,174.79-792.69

Finding the Fourth Proportional to 1,450.26, 2,174.79 and 792.69

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Solution

The fourth proportional to 1,450.26, 2,174.79 and 792.69 is: 1,188.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450.26 : 2,174.79 = 792.69 : x
  2. Step 2: Convert to fraction form
    1,450.26/2,174.79 = 792.69/x
  3. Step 3: Cross multiply
    1,450.26x = 2,174.79 × 792.69
  4. Step 4: Simplify right side
    1,450.26x = 1,723,934.29
  5. Step 5: Solve for x
    x = 1,723,934.29/1,450.26
  6. Step 6: Final answer
    x = 1,188.71

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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.