Home / 3,511.29-5,267.78-1,171.23

Finding the Fourth Proportional to 3,511.29, 5,267.78 and 1,171.23

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Solution

The fourth proportional to 3,511.29, 5,267.78 and 1,171.23 is: 1,757.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.29 : 5,267.78 = 1,171.23 : x
  2. Step 2: Convert to fraction form
    3,511.29/5,267.78 = 1,171.23/x
  3. Step 3: Cross multiply
    3,511.29x = 5,267.78 × 1,171.23
  4. Step 4: Simplify right side
    3,511.29x = 6,169,776.11
  5. Step 5: Solve for x
    x = 6,169,776.11/3,511.29
  6. Step 6: Final answer
    x = 1,757.13

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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.