Home / 2,767.53-4,149.86-1,306.29

Finding the Fourth Proportional to 2,767.53, 4,149.86 and 1,306.29

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Solution

The fourth proportional to 2,767.53, 4,149.86 and 1,306.29 is: 1,958.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.53 : 4,149.86 = 1,306.29 : x
  2. Step 2: Convert to fraction form
    2,767.53/4,149.86 = 1,306.29/x
  3. Step 3: Cross multiply
    2,767.53x = 4,149.86 × 1,306.29
  4. Step 4: Simplify right side
    2,767.53x = 5,420,914.09
  5. Step 5: Solve for x
    x = 5,420,914.09/2,767.53
  6. Step 6: Final answer
    x = 1,958.76

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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.