Home / 3,219.56-4,441.43-2,099.99

Finding the Fourth Proportional to 3,219.56, 4,441.43 and 2,099.99

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Solution

The fourth proportional to 3,219.56, 4,441.43 and 2,099.99 is: 2,896.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.56 : 4,441.43 = 2,099.99 : x
  2. Step 2: Convert to fraction form
    3,219.56/4,441.43 = 2,099.99/x
  3. Step 3: Cross multiply
    3,219.56x = 4,441.43 × 2,099.99
  4. Step 4: Simplify right side
    3,219.56x = 9,326,948.09
  5. Step 5: Solve for x
    x = 9,326,948.09/3,219.56
  6. Step 6: Final answer
    x = 2,896.96

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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.