Home / 2,449.22-3,380.33-1,455.03

Finding the Fourth Proportional to 2,449.22, 3,380.33 and 1,455.03

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Solution

The fourth proportional to 2,449.22, 3,380.33 and 1,455.03 is: 2,008.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,449.22 : 3,380.33 = 1,455.03 : x
  2. Step 2: Convert to fraction form
    2,449.22/3,380.33 = 1,455.03/x
  3. Step 3: Cross multiply
    2,449.22x = 3,380.33 × 1,455.03
  4. Step 4: Simplify right side
    2,449.22x = 4,918,485.20
  5. Step 5: Solve for x
    x = 4,918,485.20/2,449.22
  6. Step 6: Final answer
    x = 2,008.19

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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.