Home / 3,380.94-5,072.49-1,433.16

Finding the Fourth Proportional to 3,380.94, 5,072.49 and 1,433.16

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Solution

The fourth proportional to 3,380.94, 5,072.49 and 1,433.16 is: 2,150.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.94 : 5,072.49 = 1,433.16 : x
  2. Step 2: Convert to fraction form
    3,380.94/5,072.49 = 1,433.16/x
  3. Step 3: Cross multiply
    3,380.94x = 5,072.49 × 1,433.16
  4. Step 4: Simplify right side
    3,380.94x = 7,269,689.77
  5. Step 5: Solve for x
    x = 7,269,689.77/3,380.94
  6. Step 6: Final answer
    x = 2,150.20

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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.