Home / 2,144.42-3,218.46-1,529.63

Finding the Fourth Proportional to 2,144.42, 3,218.46 and 1,529.63

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Solution

The fourth proportional to 2,144.42, 3,218.46 and 1,529.63 is: 2,295.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144.42 : 3,218.46 = 1,529.63 : x
  2. Step 2: Convert to fraction form
    2,144.42/3,218.46 = 1,529.63/x
  3. Step 3: Cross multiply
    2,144.42x = 3,218.46 × 1,529.63
  4. Step 4: Simplify right side
    2,144.42x = 4,923,052.97
  5. Step 5: Solve for x
    x = 4,923,052.97/2,144.42
  6. Step 6: Final answer
    x = 2,295.75

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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.