Home / 2,144.25-3,221.75-1,364.59

Finding the Fourth Proportional to 2,144.25, 3,221.75 and 1,364.59

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Solution

The fourth proportional to 2,144.25, 3,221.75 and 1,364.59 is: 2,050.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144.25 : 3,221.75 = 1,364.59 : x
  2. Step 2: Convert to fraction form
    2,144.25/3,221.75 = 1,364.59/x
  3. Step 3: Cross multiply
    2,144.25x = 3,221.75 × 1,364.59
  4. Step 4: Simplify right side
    2,144.25x = 4,396,363.19
  5. Step 5: Solve for x
    x = 4,396,363.19/2,144.25
  6. Step 6: Final answer
    x = 2,050.30

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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.