Home / 2,841.75-4,259.79-1,199.21

Finding the Fourth Proportional to 2,841.75, 4,259.79 and 1,199.21

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Solution

The fourth proportional to 2,841.75, 4,259.79 and 1,199.21 is: 1,797.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.75 : 4,259.79 = 1,199.21 : x
  2. Step 2: Convert to fraction form
    2,841.75/4,259.79 = 1,199.21/x
  3. Step 3: Cross multiply
    2,841.75x = 4,259.79 × 1,199.21
  4. Step 4: Simplify right side
    2,841.75x = 5,108,361.47
  5. Step 5: Solve for x
    x = 5,108,361.47/2,841.75
  6. Step 6: Final answer
    x = 1,797.61

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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.