Home / 3,144.34-4,335.96-2,929.42

Finding the Fourth Proportional to 3,144.34, 4,335.96 and 2,929.42

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Solution

The fourth proportional to 3,144.34, 4,335.96 and 2,929.42 is: 4,039.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.34 : 4,335.96 = 2,929.42 : x
  2. Step 2: Convert to fraction form
    3,144.34/4,335.96 = 2,929.42/x
  3. Step 3: Cross multiply
    3,144.34x = 4,335.96 × 2,929.42
  4. Step 4: Simplify right side
    3,144.34x = 12,701,847.94
  5. Step 5: Solve for x
    x = 12,701,847.94/3,144.34
  6. Step 6: Final answer
    x = 4,039.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.