Home / 3,375.95-5,063.92-1,427.09

Finding the Fourth Proportional to 3,375.95, 5,063.92 and 1,427.09

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Solution

The fourth proportional to 3,375.95, 5,063.92 and 1,427.09 is: 2,140.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.95 : 5,063.92 = 1,427.09 : x
  2. Step 2: Convert to fraction form
    3,375.95/5,063.92 = 1,427.09/x
  3. Step 3: Cross multiply
    3,375.95x = 5,063.92 × 1,427.09
  4. Step 4: Simplify right side
    3,375.95x = 7,226,640.71
  5. Step 5: Solve for x
    x = 7,226,640.71/3,375.95
  6. Step 6: Final answer
    x = 2,140.63

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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.