Home / 3,268.22-4,903.16-1,418.88

Finding the Fourth Proportional to 3,268.22, 4,903.16 and 1,418.88

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Solution

The fourth proportional to 3,268.22, 4,903.16 and 1,418.88 is: 2,128.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.22 : 4,903.16 = 1,418.88 : x
  2. Step 2: Convert to fraction form
    3,268.22/4,903.16 = 1,418.88/x
  3. Step 3: Cross multiply
    3,268.22x = 4,903.16 × 1,418.88
  4. Step 4: Simplify right side
    3,268.22x = 6,956,988.57
  5. Step 5: Solve for x
    x = 6,956,988.57/3,268.22
  6. Step 6: Final answer
    x = 2,128.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.