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Finding the Fourth Proportional to 3,381.96, 5,072.94 and 1,433.10

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Solution

The fourth proportional to 3,381.96, 5,072.94 and 1,433.10 is: 2,149.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.96 : 5,072.94 = 1,433.10 : x
  2. Step 2: Convert to fraction form
    3,381.96/5,072.94 = 1,433.10/x
  3. Step 3: Cross multiply
    3,381.96x = 5,072.94 × 1,433.10
  4. Step 4: Simplify right side
    3,381.96x = 7,270,030.31
  5. Step 5: Solve for x
    x = 7,270,030.31/3,381.96
  6. Step 6: Final answer
    x = 2,149.65

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Similar ratio
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1.5x scale

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.