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Finding the Fourth Proportional to 2,381, 3,568.80 and 1,341.50

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Solution

The fourth proportional to 2,381, 3,568.80 and 1,341.50 is: 2,010.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381 : 3,568.80 = 1,341.50 : x
  2. Step 2: Convert to fraction form
    2,381/3,568.80 = 1,341.50/x
  3. Step 3: Cross multiply
    2,381x = 3,568.80 × 1,341.50
  4. Step 4: Simplify right side
    2,381x = 4,787,545.20
  5. Step 5: Solve for x
    x = 4,787,545.20/2,381
  6. Step 6: Final answer
    x = 2,010.73

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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.