Home / 3,860.26-5,785.92-1,775.89

Finding the Fourth Proportional to 3,860.26, 5,785.92 and 1,775.89

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Solution

The fourth proportional to 3,860.26, 5,785.92 and 1,775.89 is: 2,661.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.26 : 5,785.92 = 1,775.89 : x
  2. Step 2: Convert to fraction form
    3,860.26/5,785.92 = 1,775.89/x
  3. Step 3: Cross multiply
    3,860.26x = 5,785.92 × 1,775.89
  4. Step 4: Simplify right side
    3,860.26x = 10,275,162.20
  5. Step 5: Solve for x
    x = 10,275,162.20/3,860.26
  6. Step 6: Final answer
    x = 2,661.78

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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.