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Finding the Fourth Proportional to 3,375.41, 5,063.12 and 1,427.63

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Solution

The fourth proportional to 3,375.41, 5,063.12 and 1,427.63 is: 2,141.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.41 : 5,063.12 = 1,427.63 : x
  2. Step 2: Convert to fraction form
    3,375.41/5,063.12 = 1,427.63/x
  3. Step 3: Cross multiply
    3,375.41x = 5,063.12 × 1,427.63
  4. Step 4: Simplify right side
    3,375.41x = 7,228,262.01
  5. Step 5: Solve for x
    x = 7,228,262.01/3,375.41
  6. Step 6: Final answer
    x = 2,141.45

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1.5x scale

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.