Home / 3,917.02-5,870.31-2,067.70

Finding the Fourth Proportional to 3,917.02, 5,870.31 and 2,067.70

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Solution

The fourth proportional to 3,917.02, 5,870.31 and 2,067.70 is: 3,098.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917.02 : 5,870.31 = 2,067.70 : x
  2. Step 2: Convert to fraction form
    3,917.02/5,870.31 = 2,067.70/x
  3. Step 3: Cross multiply
    3,917.02x = 5,870.31 × 2,067.70
  4. Step 4: Simplify right side
    3,917.02x = 12,138,039.99
  5. Step 5: Solve for x
    x = 12,138,039.99/3,917.02
  6. Step 6: Final answer
    x = 3,098.79

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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.