Home / 3,696.78-5,540.56-2,377.02

Finding the Fourth Proportional to 3,696.78, 5,540.56 and 2,377.02

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Solution

The fourth proportional to 3,696.78, 5,540.56 and 2,377.02 is: 3,562.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,696.78 : 5,540.56 = 2,377.02 : x
  2. Step 2: Convert to fraction form
    3,696.78/5,540.56 = 2,377.02/x
  3. Step 3: Cross multiply
    3,696.78x = 5,540.56 × 2,377.02
  4. Step 4: Simplify right side
    3,696.78x = 13,170,021.93
  5. Step 5: Solve for x
    x = 13,170,021.93/3,696.78
  6. Step 6: Final answer
    x = 3,562.57

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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.