Home / 3,513.21-5,269.78-1,433.17

Finding the Fourth Proportional to 3,513.21, 5,269.78 and 1,433.17

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Solution

The fourth proportional to 3,513.21, 5,269.78 and 1,433.17 is: 2,149.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.21 : 5,269.78 = 1,433.17 : x
  2. Step 2: Convert to fraction form
    3,513.21/5,269.78 = 1,433.17/x
  3. Step 3: Cross multiply
    3,513.21x = 5,269.78 × 1,433.17
  4. Step 4: Simplify right side
    3,513.21x = 7,552,490.60
  5. Step 5: Solve for x
    x = 7,552,490.60/3,513.21
  6. Step 6: Final answer
    x = 2,149.74

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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.