Home / 1,511.16-2,260.92-1,100.42

Finding the Fourth Proportional to 1,511.16, 2,260.92 and 1,100.42

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Solution

The fourth proportional to 1,511.16, 2,260.92 and 1,100.42 is: 1,646.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.16 : 2,260.92 = 1,100.42 : x
  2. Step 2: Convert to fraction form
    1,511.16/2,260.92 = 1,100.42/x
  3. Step 3: Cross multiply
    1,511.16x = 2,260.92 × 1,100.42
  4. Step 4: Simplify right side
    1,511.16x = 2,487,961.59
  5. Step 5: Solve for x
    x = 2,487,961.59/1,511.16
  6. Step 6: Final answer
    x = 1,646.39

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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.