Home / 3,718.93-5,132.53-2,375.78

Finding the Fourth Proportional to 3,718.93, 5,132.53 and 2,375.78

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Solution

The fourth proportional to 3,718.93, 5,132.53 and 2,375.78 is: 3,278.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.93 : 5,132.53 = 2,375.78 : x
  2. Step 2: Convert to fraction form
    3,718.93/5,132.53 = 2,375.78/x
  3. Step 3: Cross multiply
    3,718.93x = 5,132.53 × 2,375.78
  4. Step 4: Simplify right side
    3,718.93x = 12,193,730.52
  5. Step 5: Solve for x
    x = 12,193,730.52/3,718.93
  6. Step 6: Final answer
    x = 3,278.83

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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.