Home / 2,581.42-3,874.08-1,195.73

Finding the Fourth Proportional to 2,581.42, 3,874.08 and 1,195.73

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Solution

The fourth proportional to 2,581.42, 3,874.08 and 1,195.73 is: 1,794.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,581.42 : 3,874.08 = 1,195.73 : x
  2. Step 2: Convert to fraction form
    2,581.42/3,874.08 = 1,195.73/x
  3. Step 3: Cross multiply
    2,581.42x = 3,874.08 × 1,195.73
  4. Step 4: Simplify right side
    2,581.42x = 4,632,339.51
  5. Step 5: Solve for x
    x = 4,632,339.51/2,581.42
  6. Step 6: Final answer
    x = 1,794.49

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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.