Home / 2,722.21-4,078.35-1,550.75

Finding the Fourth Proportional to 2,722.21, 4,078.35 and 1,550.75

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Solution

The fourth proportional to 2,722.21, 4,078.35 and 1,550.75 is: 2,323.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.21 : 4,078.35 = 1,550.75 : x
  2. Step 2: Convert to fraction form
    2,722.21/4,078.35 = 1,550.75/x
  3. Step 3: Cross multiply
    2,722.21x = 4,078.35 × 1,550.75
  4. Step 4: Simplify right side
    2,722.21x = 6,324,480.87
  5. Step 5: Solve for x
    x = 6,324,480.87/2,722.21
  6. Step 6: Final answer
    x = 2,323.29

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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.