Home / 2,794.12-3,857.52-1,747.60

Finding the Fourth Proportional to 2,794.12, 3,857.52 and 1,747.60

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Solution

The fourth proportional to 2,794.12, 3,857.52 and 1,747.60 is: 2,412.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,794.12 : 3,857.52 = 1,747.60 : x
  2. Step 2: Convert to fraction form
    2,794.12/3,857.52 = 1,747.60/x
  3. Step 3: Cross multiply
    2,794.12x = 3,857.52 × 1,747.60
  4. Step 4: Simplify right side
    2,794.12x = 6,741,401.95
  5. Step 5: Solve for x
    x = 6,741,401.95/2,794.12
  6. Step 6: Final answer
    x = 2,412.71

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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.