Home / 2,722.23-4,083.62-1,079.55

Finding the Fourth Proportional to 2,722.23, 4,083.62 and 1,079.55

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Solution

The fourth proportional to 2,722.23, 4,083.62 and 1,079.55 is: 1,619.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.23 : 4,083.62 = 1,079.55 : x
  2. Step 2: Convert to fraction form
    2,722.23/4,083.62 = 1,079.55/x
  3. Step 3: Cross multiply
    2,722.23x = 4,083.62 × 1,079.55
  4. Step 4: Simplify right side
    2,722.23x = 4,408,466.57
  5. Step 5: Solve for x
    x = 4,408,466.57/2,722.23
  6. Step 6: Final answer
    x = 1,619.43

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1.5x scale

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.