Home / 3,515.83-5,269.76-1,433.21

Finding the Fourth Proportional to 3,515.83, 5,269.76 and 1,433.21

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Solution

The fourth proportional to 3,515.83, 5,269.76 and 1,433.21 is: 2,148.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.83 : 5,269.76 = 1,433.21 : x
  2. Step 2: Convert to fraction form
    3,515.83/5,269.76 = 1,433.21/x
  3. Step 3: Cross multiply
    3,515.83x = 5,269.76 × 1,433.21
  4. Step 4: Simplify right side
    3,515.83x = 7,552,672.73
  5. Step 5: Solve for x
    x = 7,552,672.73/3,515.83
  6. Step 6: Final answer
    x = 2,148.19

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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.