Home / 3,630.44-5,009.58-2,137.82

Finding the Fourth Proportional to 3,630.44, 5,009.58 and 2,137.82

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Solution

The fourth proportional to 3,630.44, 5,009.58 and 2,137.82 is: 2,949.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.44 : 5,009.58 = 2,137.82 : x
  2. Step 2: Convert to fraction form
    3,630.44/5,009.58 = 2,137.82/x
  3. Step 3: Cross multiply
    3,630.44x = 5,009.58 × 2,137.82
  4. Step 4: Simplify right side
    3,630.44x = 10,709,580.32
  5. Step 5: Solve for x
    x = 10,709,580.32/3,630.44
  6. Step 6: Final answer
    x = 2,949.94

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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.