Home / 3,378.17-5,063.78-1,297.61

Finding the Fourth Proportional to 3,378.17, 5,063.78 and 1,297.61

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Solution

The fourth proportional to 3,378.17, 5,063.78 and 1,297.61 is: 1,945.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.17 : 5,063.78 = 1,297.61 : x
  2. Step 2: Convert to fraction form
    3,378.17/5,063.78 = 1,297.61/x
  3. Step 3: Cross multiply
    3,378.17x = 5,063.78 × 1,297.61
  4. Step 4: Simplify right side
    3,378.17x = 6,570,789.49
  5. Step 5: Solve for x
    x = 6,570,789.49/3,378.17
  6. Step 6: Final answer
    x = 1,945.08

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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.