Home / 2,644.83-3,949.86-2,125.62

Finding the Fourth Proportional to 2,644.83, 3,949.86 and 2,125.62

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Solution

The fourth proportional to 2,644.83, 3,949.86 and 2,125.62 is: 3,174.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,644.83 : 3,949.86 = 2,125.62 : x
  2. Step 2: Convert to fraction form
    2,644.83/3,949.86 = 2,125.62/x
  3. Step 3: Cross multiply
    2,644.83x = 3,949.86 × 2,125.62
  4. Step 4: Simplify right side
    2,644.83x = 8,395,901.41
  5. Step 5: Solve for x
    x = 8,395,901.41/2,644.83
  6. Step 6: Final answer
    x = 3,174.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.