Home / 1,811.73-2,717.37-579.04

Finding the Fourth Proportional to 1,811.73, 2,717.37 and 579.04

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Solution

The fourth proportional to 1,811.73, 2,717.37 and 579.04 is: 868.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811.73 : 2,717.37 = 579.04 : x
  2. Step 2: Convert to fraction form
    1,811.73/2,717.37 = 579.04/x
  3. Step 3: Cross multiply
    1,811.73x = 2,717.37 × 579.04
  4. Step 4: Simplify right side
    1,811.73x = 1,573,453.56
  5. Step 5: Solve for x
    x = 1,573,453.56/1,811.73
  6. Step 6: Final answer
    x = 868.48

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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.