Home / 3,619.45-4,995.99-2,127.97

Finding the Fourth Proportional to 3,619.45, 4,995.99 and 2,127.97

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Solution

The fourth proportional to 3,619.45, 4,995.99 and 2,127.97 is: 2,937.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.45 : 4,995.99 = 2,127.97 : x
  2. Step 2: Convert to fraction form
    3,619.45/4,995.99 = 2,127.97/x
  3. Step 3: Cross multiply
    3,619.45x = 4,995.99 × 2,127.97
  4. Step 4: Simplify right side
    3,619.45x = 10,631,316.84
  5. Step 5: Solve for x
    x = 10,631,316.84/3,619.45
  6. Step 6: Final answer
    x = 2,937.27

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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.