Home / 1,511.11-2,267.68-537.22

Finding the Fourth Proportional to 1,511.11, 2,267.68 and 537.22

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Solution

The fourth proportional to 1,511.11, 2,267.68 and 537.22 is: 806.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.11 : 2,267.68 = 537.22 : x
  2. Step 2: Convert to fraction form
    1,511.11/2,267.68 = 537.22/x
  3. Step 3: Cross multiply
    1,511.11x = 2,267.68 × 537.22
  4. Step 4: Simplify right side
    1,511.11x = 1,218,243.05
  5. Step 5: Solve for x
    x = 1,218,243.05/1,511.11
  6. Step 6: Final answer
    x = 806.19

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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.