Home / 1,511.66-2,263.91-1,198.30

Finding the Fourth Proportional to 1,511.66, 2,263.91 and 1,198.30

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Solution

The fourth proportional to 1,511.66, 2,263.91 and 1,198.30 is: 1,794.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.66 : 2,263.91 = 1,198.30 : x
  2. Step 2: Convert to fraction form
    1,511.66/2,263.91 = 1,198.30/x
  3. Step 3: Cross multiply
    1,511.66x = 2,263.91 × 1,198.30
  4. Step 4: Simplify right side
    1,511.66x = 2,712,843.35
  5. Step 5: Solve for x
    x = 2,712,843.35/1,511.66
  6. Step 6: Final answer
    x = 1,794.61

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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.