Home / 3,179.56-4,770.47-1,424.43

Finding the Fourth Proportional to 3,179.56, 4,770.47 and 1,424.43

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Solution

The fourth proportional to 3,179.56, 4,770.47 and 1,424.43 is: 2,137.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.56 : 4,770.47 = 1,424.43 : x
  2. Step 2: Convert to fraction form
    3,179.56/4,770.47 = 1,424.43/x
  3. Step 3: Cross multiply
    3,179.56x = 4,770.47 × 1,424.43
  4. Step 4: Simplify right side
    3,179.56x = 6,795,169.61
  5. Step 5: Solve for x
    x = 6,795,169.61/3,179.56
  6. Step 6: Final answer
    x = 2,137.14

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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.