Home / 3,644.86-5,029.92-2,072.96

Finding the Fourth Proportional to 3,644.86, 5,029.92 and 2,072.96

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Solution

The fourth proportional to 3,644.86, 5,029.92 and 2,072.96 is: 2,860.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,644.86 : 5,029.92 = 2,072.96 : x
  2. Step 2: Convert to fraction form
    3,644.86/5,029.92 = 2,072.96/x
  3. Step 3: Cross multiply
    3,644.86x = 5,029.92 × 2,072.96
  4. Step 4: Simplify right side
    3,644.86x = 10,426,787.45
  5. Step 5: Solve for x
    x = 10,426,787.45/3,644.86
  6. Step 6: Final answer
    x = 2,860.68

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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.