Home / 3,118.09-4,676.46-1,268.73

Finding the Fourth Proportional to 3,118.09, 4,676.46 and 1,268.73

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Solution

The fourth proportional to 3,118.09, 4,676.46 and 1,268.73 is: 1,902.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.09 : 4,676.46 = 1,268.73 : x
  2. Step 2: Convert to fraction form
    3,118.09/4,676.46 = 1,268.73/x
  3. Step 3: Cross multiply
    3,118.09x = 4,676.46 × 1,268.73
  4. Step 4: Simplify right side
    3,118.09x = 5,933,165.10
  5. Step 5: Solve for x
    x = 5,933,165.10/3,118.09
  6. Step 6: Final answer
    x = 1,902.82

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1.5x scale

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.