Home / 2,722.32-4,084.39-1,079.34

Finding the Fourth Proportional to 2,722.32, 4,084.39 and 1,079.34

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Solution

The fourth proportional to 2,722.32, 4,084.39 and 1,079.34 is: 1,619.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.32 : 4,084.39 = 1,079.34 : x
  2. Step 2: Convert to fraction form
    2,722.32/4,084.39 = 1,079.34/x
  3. Step 3: Cross multiply
    2,722.32x = 4,084.39 × 1,079.34
  4. Step 4: Simplify right side
    2,722.32x = 4,408,431.54
  5. Step 5: Solve for x
    x = 4,408,431.54/2,722.32
  6. Step 6: Final answer
    x = 1,619.37

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Why These Related Problems?

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