Home / 1,811.30-2,713.29-1,517.97

Finding the Fourth Proportional to 1,811.30, 2,713.29 and 1,517.97

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Solution

The fourth proportional to 1,811.30, 2,713.29 and 1,517.97 is: 2,273.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811.30 : 2,713.29 = 1,517.97 : x
  2. Step 2: Convert to fraction form
    1,811.30/2,713.29 = 1,517.97/x
  3. Step 3: Cross multiply
    1,811.30x = 2,713.29 × 1,517.97
  4. Step 4: Simplify right side
    1,811.30x = 4,118,705.84
  5. Step 5: Solve for x
    x = 4,118,705.84/1,811.30
  6. Step 6: Final answer
    x = 2,273.89

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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.