Home / 2,768.14-4,150.20-1,306.48

Finding the Fourth Proportional to 2,768.14, 4,150.20 and 1,306.48

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Solution

The fourth proportional to 2,768.14, 4,150.20 and 1,306.48 is: 1,958.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.14 : 4,150.20 = 1,306.48 : x
  2. Step 2: Convert to fraction form
    2,768.14/4,150.20 = 1,306.48/x
  3. Step 3: Cross multiply
    2,768.14x = 4,150.20 × 1,306.48
  4. Step 4: Simplify right side
    2,768.14x = 5,422,153.30
  5. Step 5: Solve for x
    x = 5,422,153.30/2,768.14
  6. Step 6: Final answer
    x = 1,958.77

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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.