Home / 3,278.01-4,917.19-1,429.25

Finding the Fourth Proportional to 3,278.01, 4,917.19 and 1,429.25

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Solution

The fourth proportional to 3,278.01, 4,917.19 and 1,429.25 is: 2,143.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.01 : 4,917.19 = 1,429.25 : x
  2. Step 2: Convert to fraction form
    3,278.01/4,917.19 = 1,429.25/x
  3. Step 3: Cross multiply
    3,278.01x = 4,917.19 × 1,429.25
  4. Step 4: Simplify right side
    3,278.01x = 7,027,902.53
  5. Step 5: Solve for x
    x = 7,027,902.53/3,278.01
  6. Step 6: Final answer
    x = 2,143.95

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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.