Home / 3,644.62-5,029.59-2,072.68

Finding the Fourth Proportional to 3,644.62, 5,029.59 and 2,072.68

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Solution

The fourth proportional to 3,644.62, 5,029.59 and 2,072.68 is: 2,860.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,644.62 : 5,029.59 = 2,072.68 : x
  2. Step 2: Convert to fraction form
    3,644.62/5,029.59 = 2,072.68/x
  3. Step 3: Cross multiply
    3,644.62x = 5,029.59 × 2,072.68
  4. Step 4: Simplify right side
    3,644.62x = 10,424,730.60
  5. Step 5: Solve for x
    x = 10,424,730.60/3,644.62
  6. Step 6: Final answer
    x = 2,860.31

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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.