Home / 3,219.19-4,441.80-1,892.41

Finding the Fourth Proportional to 3,219.19, 4,441.80 and 1,892.41

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Solution

The fourth proportional to 3,219.19, 4,441.80 and 1,892.41 is: 2,611.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.19 : 4,441.80 = 1,892.41 : x
  2. Step 2: Convert to fraction form
    3,219.19/4,441.80 = 1,892.41/x
  3. Step 3: Cross multiply
    3,219.19x = 4,441.80 × 1,892.41
  4. Step 4: Simplify right side
    3,219.19x = 8,405,727.72
  5. Step 5: Solve for x
    x = 8,405,727.72/3,219.19
  6. Step 6: Final answer
    x = 2,611.13

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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.