Home / 1,911.66-2,863.98-1,516.92

Finding the Fourth Proportional to 1,911.66, 2,863.98 and 1,516.92

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Solution

The fourth proportional to 1,911.66, 2,863.98 and 1,516.92 is: 2,272.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911.66 : 2,863.98 = 1,516.92 : x
  2. Step 2: Convert to fraction form
    1,911.66/2,863.98 = 1,516.92/x
  3. Step 3: Cross multiply
    1,911.66x = 2,863.98 × 1,516.92
  4. Step 4: Simplify right side
    1,911.66x = 4,344,428.54
  5. Step 5: Solve for x
    x = 4,344,428.54/1,911.66
  6. Step 6: Final answer
    x = 2,272.59

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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.