Home / 3,619.89-4,995.07-2,047.88

Finding the Fourth Proportional to 3,619.89, 4,995.07 and 2,047.88

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Solution

The fourth proportional to 3,619.89, 4,995.07 and 2,047.88 is: 2,825.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.89 : 4,995.07 = 2,047.88 : x
  2. Step 2: Convert to fraction form
    3,619.89/4,995.07 = 2,047.88/x
  3. Step 3: Cross multiply
    3,619.89x = 4,995.07 × 2,047.88
  4. Step 4: Simplify right side
    3,619.89x = 10,229,311.32
  5. Step 5: Solve for x
    x = 10,229,311.32/3,619.89
  6. Step 6: Final answer
    x = 2,825.86

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.