Home / 2,418.54-3,626.74-1,249.20

Finding the Fourth Proportional to 2,418.54, 3,626.74 and 1,249.20

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Solution

The fourth proportional to 2,418.54, 3,626.74 and 1,249.20 is: 1,873.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.54 : 3,626.74 = 1,249.20 : x
  2. Step 2: Convert to fraction form
    2,418.54/3,626.74 = 1,249.20/x
  3. Step 3: Cross multiply
    2,418.54x = 3,626.74 × 1,249.20
  4. Step 4: Simplify right side
    2,418.54x = 4,530,525.17
  5. Step 5: Solve for x
    x = 4,530,525.17/2,418.54
  6. Step 6: Final answer
    x = 1,873.25

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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.