Home / 2,768.26-3,820.43-1,589.71

Finding the Fourth Proportional to 2,768.26, 3,820.43 and 1,589.71

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Solution

The fourth proportional to 2,768.26, 3,820.43 and 1,589.71 is: 2,193.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.26 : 3,820.43 = 1,589.71 : x
  2. Step 2: Convert to fraction form
    2,768.26/3,820.43 = 1,589.71/x
  3. Step 3: Cross multiply
    2,768.26x = 3,820.43 × 1,589.71
  4. Step 4: Simplify right side
    2,768.26x = 6,073,375.78
  5. Step 5: Solve for x
    x = 6,073,375.78/2,768.26
  6. Step 6: Final answer
    x = 2,193.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.