Home / 3,018.62-4,161.84-2,022.32

Finding the Fourth Proportional to 3,018.62, 4,161.84 and 2,022.32

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Solution

The fourth proportional to 3,018.62, 4,161.84 and 2,022.32 is: 2,788.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.62 : 4,161.84 = 2,022.32 : x
  2. Step 2: Convert to fraction form
    3,018.62/4,161.84 = 2,022.32/x
  3. Step 3: Cross multiply
    3,018.62x = 4,161.84 × 2,022.32
  4. Step 4: Simplify right side
    3,018.62x = 8,416,572.27
  5. Step 5: Solve for x
    x = 8,416,572.27/3,018.62
  6. Step 6: Final answer
    x = 2,788.22

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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.