Home / 3,619.56-4,995.14-2,361.45

Finding the Fourth Proportional to 3,619.56, 4,995.14 and 2,361.45

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Solution

The fourth proportional to 3,619.56, 4,995.14 and 2,361.45 is: 3,258.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.56 : 4,995.14 = 2,361.45 : x
  2. Step 2: Convert to fraction form
    3,619.56/4,995.14 = 2,361.45/x
  3. Step 3: Cross multiply
    3,619.56x = 4,995.14 × 2,361.45
  4. Step 4: Simplify right side
    3,619.56x = 11,795,761.55
  5. Step 5: Solve for x
    x = 11,795,761.55/3,619.56
  6. Step 6: Final answer
    x = 3,258.89

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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.