Home / 3,511.66-5,270.68-1,869.60

Finding the Fourth Proportional to 3,511.66, 5,270.68 and 1,869.60

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Solution

The fourth proportional to 3,511.66, 5,270.68 and 1,869.60 is: 2,806.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.66 : 5,270.68 = 1,869.60 : x
  2. Step 2: Convert to fraction form
    3,511.66/5,270.68 = 1,869.60/x
  3. Step 3: Cross multiply
    3,511.66x = 5,270.68 × 1,869.60
  4. Step 4: Simplify right side
    3,511.66x = 9,854,063.33
  5. Step 5: Solve for x
    x = 9,854,063.33/3,511.66
  6. Step 6: Final answer
    x = 2,806.10

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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.