Home / 4,143.62-5,718.53-2,375.39

Finding the Fourth Proportional to 4,143.62, 5,718.53 and 2,375.39

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Solution

The fourth proportional to 4,143.62, 5,718.53 and 2,375.39 is: 3,278.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,143.62 : 5,718.53 = 2,375.39 : x
  2. Step 2: Convert to fraction form
    4,143.62/5,718.53 = 2,375.39/x
  3. Step 3: Cross multiply
    4,143.62x = 5,718.53 × 2,375.39
  4. Step 4: Simplify right side
    4,143.62x = 13,583,738.98
  5. Step 5: Solve for x
    x = 13,583,738.98/4,143.62
  6. Step 6: Final answer
    x = 3,278.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.