Home / 2,226.45-3,321.57-1,899.75

Finding the Fourth Proportional to 2,226.45, 3,321.57 and 1,899.75

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Solution

The fourth proportional to 2,226.45, 3,321.57 and 1,899.75 is: 2,834.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.45 : 3,321.57 = 1,899.75 : x
  2. Step 2: Convert to fraction form
    2,226.45/3,321.57 = 1,899.75/x
  3. Step 3: Cross multiply
    2,226.45x = 3,321.57 × 1,899.75
  4. Step 4: Simplify right side
    2,226.45x = 6,310,152.61
  5. Step 5: Solve for x
    x = 6,310,152.61/2,226.45
  6. Step 6: Final answer
    x = 2,834.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.