Home / 2,816.22-4,219.94-2,522.12

Finding the Fourth Proportional to 2,816.22, 4,219.94 and 2,522.12

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Solution

The fourth proportional to 2,816.22, 4,219.94 and 2,522.12 is: 3,779.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.22 : 4,219.94 = 2,522.12 : x
  2. Step 2: Convert to fraction form
    2,816.22/4,219.94 = 2,522.12/x
  3. Step 3: Cross multiply
    2,816.22x = 4,219.94 × 2,522.12
  4. Step 4: Simplify right side
    2,816.22x = 10,643,195.07
  5. Step 5: Solve for x
    x = 10,643,195.07/2,816.22
  6. Step 6: Final answer
    x = 3,779.25

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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.