Home / 3,619.82-4,995.45-2,047.88

Finding the Fourth Proportional to 3,619.82, 4,995.45 and 2,047.88

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Solution

The fourth proportional to 3,619.82, 4,995.45 and 2,047.88 is: 2,826.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.82 : 4,995.45 = 2,047.88 : x
  2. Step 2: Convert to fraction form
    3,619.82/4,995.45 = 2,047.88/x
  3. Step 3: Cross multiply
    3,619.82x = 4,995.45 × 2,047.88
  4. Step 4: Simplify right side
    3,619.82x = 10,230,057.17
  5. Step 5: Solve for x
    x = 10,230,057.17/3,619.82
  6. Step 6: Final answer
    x = 2,826.13

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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.