Home / 3,917.48-5,879.56-2,069.92

Finding the Fourth Proportional to 3,917.48, 5,879.56 and 2,069.92

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Solution

The fourth proportional to 3,917.48, 5,879.56 and 2,069.92 is: 3,106.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917.48 : 5,879.56 = 2,069.92 : x
  2. Step 2: Convert to fraction form
    3,917.48/5,879.56 = 2,069.92/x
  3. Step 3: Cross multiply
    3,917.48x = 5,879.56 × 2,069.92
  4. Step 4: Simplify right side
    3,917.48x = 12,170,218.84
  5. Step 5: Solve for x
    x = 12,170,218.84/3,917.48
  6. Step 6: Final answer
    x = 3,106.64

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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.