Home / 2,879.60-3,974.52-1,701.20

Finding the Fourth Proportional to 2,879.60, 3,974.52 and 1,701.20

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Solution

The fourth proportional to 2,879.60, 3,974.52 and 1,701.20 is: 2,348.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879.60 : 3,974.52 = 1,701.20 : x
  2. Step 2: Convert to fraction form
    2,879.60/3,974.52 = 1,701.20/x
  3. Step 3: Cross multiply
    2,879.60x = 3,974.52 × 1,701.20
  4. Step 4: Simplify right side
    2,879.60x = 6,761,453.42
  5. Step 5: Solve for x
    x = 6,761,453.42/2,879.60
  6. Step 6: Final answer
    x = 2,348.05

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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.