Home / 2,226.22-3,069.71-1,821.22

Finding the Fourth Proportional to 2,226.22, 3,069.71 and 1,821.22

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Solution

The fourth proportional to 2,226.22, 3,069.71 and 1,821.22 is: 2,511.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.22 : 3,069.71 = 1,821.22 : x
  2. Step 2: Convert to fraction form
    2,226.22/3,069.71 = 1,821.22/x
  3. Step 3: Cross multiply
    2,226.22x = 3,069.71 × 1,821.22
  4. Step 4: Simplify right side
    2,226.22x = 5,590,617.25
  5. Step 5: Solve for x
    x = 5,590,617.25/2,226.22
  6. Step 6: Final answer
    x = 2,511.26

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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.