Home / 2,022.26-2,790.72-1,236.16

Finding the Fourth Proportional to 2,022.26, 2,790.72 and 1,236.16

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Solution

The fourth proportional to 2,022.26, 2,790.72 and 1,236.16 is: 1,705.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,022.26 : 2,790.72 = 1,236.16 : x
  2. Step 2: Convert to fraction form
    2,022.26/2,790.72 = 1,236.16/x
  3. Step 3: Cross multiply
    2,022.26x = 2,790.72 × 1,236.16
  4. Step 4: Simplify right side
    2,022.26x = 3,449,776.44
  5. Step 5: Solve for x
    x = 3,449,776.44/2,022.26
  6. Step 6: Final answer
    x = 1,705.90

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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.