Home / 3,511.56-5,269.66-1,869.30

Finding the Fourth Proportional to 3,511.56, 5,269.66 and 1,869.30

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Solution

The fourth proportional to 3,511.56, 5,269.66 and 1,869.30 is: 2,805.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.56 : 5,269.66 = 1,869.30 : x
  2. Step 2: Convert to fraction form
    3,511.56/5,269.66 = 1,869.30/x
  3. Step 3: Cross multiply
    3,511.56x = 5,269.66 × 1,869.30
  4. Step 4: Simplify right side
    3,511.56x = 9,850,575.44
  5. Step 5: Solve for x
    x = 9,850,575.44/3,511.56
  6. Step 6: Final answer
    x = 2,805.18

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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.