Home / 3,785.09-5,666.67-3,161.79

Finding the Fourth Proportional to 3,785.09, 5,666.67 and 3,161.79

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Solution

The fourth proportional to 3,785.09, 5,666.67 and 3,161.79 is: 4,733.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.09 : 5,666.67 = 3,161.79 : x
  2. Step 2: Convert to fraction form
    3,785.09/5,666.67 = 3,161.79/x
  3. Step 3: Cross multiply
    3,785.09x = 5,666.67 × 3,161.79
  4. Step 4: Simplify right side
    3,785.09x = 17,916,820.54
  5. Step 5: Solve for x
    x = 17,916,820.54/3,785.09
  6. Step 6: Final answer
    x = 4,733.53

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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.