Home / 2,860.66-4,290.97-1,879.66

Finding the Fourth Proportional to 2,860.66, 4,290.97 and 1,879.66

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Solution

The fourth proportional to 2,860.66, 4,290.97 and 1,879.66 is: 2,819.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860.66 : 4,290.97 = 1,879.66 : x
  2. Step 2: Convert to fraction form
    2,860.66/4,290.97 = 1,879.66/x
  3. Step 3: Cross multiply
    2,860.66x = 4,290.97 × 1,879.66
  4. Step 4: Simplify right side
    2,860.66x = 8,065,564.67
  5. Step 5: Solve for x
    x = 8,065,564.67/2,860.66
  6. Step 6: Final answer
    x = 2,819.48

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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.