Home / 2,704.90-3,733.68-1,643.26

Finding the Fourth Proportional to 2,704.90, 3,733.68 and 1,643.26

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Solution

The fourth proportional to 2,704.90, 3,733.68 and 1,643.26 is: 2,268.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,704.90 : 3,733.68 = 1,643.26 : x
  2. Step 2: Convert to fraction form
    2,704.90/3,733.68 = 1,643.26/x
  3. Step 3: Cross multiply
    2,704.90x = 3,733.68 × 1,643.26
  4. Step 4: Simplify right side
    2,704.90x = 6,135,407.00
  5. Step 5: Solve for x
    x = 6,135,407.00/2,704.90
  6. Step 6: Final answer
    x = 2,268.26

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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.