Home / 3,619.78-4,995.36-2,203.53

Finding the Fourth Proportional to 3,619.78, 4,995.36 and 2,203.53

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Solution

The fourth proportional to 3,619.78, 4,995.36 and 2,203.53 is: 3,040.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.78 : 4,995.36 = 2,203.53 : x
  2. Step 2: Convert to fraction form
    3,619.78/4,995.36 = 2,203.53/x
  3. Step 3: Cross multiply
    3,619.78x = 4,995.36 × 2,203.53
  4. Step 4: Simplify right side
    3,619.78x = 11,007,425.62
  5. Step 5: Solve for x
    x = 11,007,425.62/3,619.78
  6. Step 6: Final answer
    x = 3,040.91

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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.