Home / 2,879.87-3,974.06-1,701.68

Finding the Fourth Proportional to 2,879.87, 3,974.06 and 1,701.68

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Solution

The fourth proportional to 2,879.87, 3,974.06 and 1,701.68 is: 2,348.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879.87 : 3,974.06 = 1,701.68 : x
  2. Step 2: Convert to fraction form
    2,879.87/3,974.06 = 1,701.68/x
  3. Step 3: Cross multiply
    2,879.87x = 3,974.06 × 1,701.68
  4. Step 4: Simplify right side
    2,879.87x = 6,762,562.80
  5. Step 5: Solve for x
    x = 6,762,562.80/2,879.87
  6. Step 6: Final answer
    x = 2,348.22

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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.