Home / 1,616.90-2,226.20-1,469.09

Finding the Fourth Proportional to 1,616.90, 2,226.20 and 1,469.09

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Solution

The fourth proportional to 1,616.90, 2,226.20 and 1,469.09 is: 2,022.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616.90 : 2,226.20 = 1,469.09 : x
  2. Step 2: Convert to fraction form
    1,616.90/2,226.20 = 1,469.09/x
  3. Step 3: Cross multiply
    1,616.90x = 2,226.20 × 1,469.09
  4. Step 4: Simplify right side
    1,616.90x = 3,270,479.36
  5. Step 5: Solve for x
    x = 3,270,479.36/1,616.90
  6. Step 6: Final answer
    x = 2,022.69

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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.