Home / 3,277.38-4,917.69-1,428.24

Finding the Fourth Proportional to 3,277.38, 4,917.69 and 1,428.24

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Solution

The fourth proportional to 3,277.38, 4,917.69 and 1,428.24 is: 2,143.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,277.38 : 4,917.69 = 1,428.24 : x
  2. Step 2: Convert to fraction form
    3,277.38/4,917.69 = 1,428.24/x
  3. Step 3: Cross multiply
    3,277.38x = 4,917.69 × 1,428.24
  4. Step 4: Simplify right side
    3,277.38x = 7,023,641.57
  5. Step 5: Solve for x
    x = 7,023,641.57/3,277.38
  6. Step 6: Final answer
    x = 2,143.07

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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.