Home / 2,768.49-3,820.86-1,589.54

Finding the Fourth Proportional to 2,768.49, 3,820.86 and 1,589.54

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Solution

The fourth proportional to 2,768.49, 3,820.86 and 1,589.54 is: 2,193.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.49 : 3,820.86 = 1,589.54 : x
  2. Step 2: Convert to fraction form
    2,768.49/3,820.86 = 1,589.54/x
  3. Step 3: Cross multiply
    2,768.49x = 3,820.86 × 1,589.54
  4. Step 4: Simplify right side
    2,768.49x = 6,073,390.70
  5. Step 5: Solve for x
    x = 6,073,390.70/2,768.49
  6. Step 6: Final answer
    x = 2,193.76

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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.