Home / 2,636.19-3,954.29-1,811.97

Finding the Fourth Proportional to 2,636.19, 3,954.29 and 1,811.97

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Solution

The fourth proportional to 2,636.19, 3,954.29 and 1,811.97 is: 2,717.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636.19 : 3,954.29 = 1,811.97 : x
  2. Step 2: Convert to fraction form
    2,636.19/3,954.29 = 1,811.97/x
  3. Step 3: Cross multiply
    2,636.19x = 3,954.29 × 1,811.97
  4. Step 4: Simplify right side
    2,636.19x = 7,165,045.79
  5. Step 5: Solve for x
    x = 7,165,045.79/2,636.19
  6. Step 6: Final answer
    x = 2,717.96

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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.