Home / 3,277.94-4,917.81-1,429.21

Finding the Fourth Proportional to 3,277.94, 4,917.81 and 1,429.21

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Solution

The fourth proportional to 3,277.94, 4,917.81 and 1,429.21 is: 2,144.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,277.94 : 4,917.81 = 1,429.21 : x
  2. Step 2: Convert to fraction form
    3,277.94/4,917.81 = 1,429.21/x
  3. Step 3: Cross multiply
    3,277.94x = 4,917.81 × 1,429.21
  4. Step 4: Simplify right side
    3,277.94x = 7,028,594.74
  5. Step 5: Solve for x
    x = 7,028,594.74/3,277.94
  6. Step 6: Final answer
    x = 2,144.21

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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.