Home / 3,479.44-5,215.56-2,611.12

Finding the Fourth Proportional to 3,479.44, 5,215.56 and 2,611.12

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Solution

The fourth proportional to 3,479.44, 5,215.56 and 2,611.12 is: 3,913.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.44 : 5,215.56 = 2,611.12 : x
  2. Step 2: Convert to fraction form
    3,479.44/5,215.56 = 2,611.12/x
  3. Step 3: Cross multiply
    3,479.44x = 5,215.56 × 2,611.12
  4. Step 4: Simplify right side
    3,479.44x = 13,618,453.03
  5. Step 5: Solve for x
    x = 13,618,453.03/3,479.44
  6. Step 6: Final answer
    x = 3,913.98

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.