Home / 4,142.31-6,212.54-1,949.84

Finding the Fourth Proportional to 4,142.31, 6,212.54 and 1,949.84

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Solution

The fourth proportional to 4,142.31, 6,212.54 and 1,949.84 is: 2,924.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142.31 : 6,212.54 = 1,949.84 : x
  2. Step 2: Convert to fraction form
    4,142.31/6,212.54 = 1,949.84/x
  3. Step 3: Cross multiply
    4,142.31x = 6,212.54 × 1,949.84
  4. Step 4: Simplify right side
    4,142.31x = 12,113,418.18
  5. Step 5: Solve for x
    x = 12,113,418.18/4,142.31
  6. Step 6: Final answer
    x = 2,924.31

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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.