Home / 2,418.11-3,336.96-2,219.74

Finding the Fourth Proportional to 2,418.11, 3,336.96 and 2,219.74

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Solution

The fourth proportional to 2,418.11, 3,336.96 and 2,219.74 is: 3,063.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.11 : 3,336.96 = 2,219.74 : x
  2. Step 2: Convert to fraction form
    2,418.11/3,336.96 = 2,219.74/x
  3. Step 3: Cross multiply
    2,418.11x = 3,336.96 × 2,219.74
  4. Step 4: Simplify right side
    2,418.11x = 7,407,183.59
  5. Step 5: Solve for x
    x = 7,407,183.59/2,418.11
  6. Step 6: Final answer
    x = 3,063.21

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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.