Home / 3,268.12-4,902.89-1,076.77

Finding the Fourth Proportional to 3,268.12, 4,902.89 and 1,076.77

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Solution

The fourth proportional to 3,268.12, 4,902.89 and 1,076.77 is: 1,615.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.12 : 4,902.89 = 1,076.77 : x
  2. Step 2: Convert to fraction form
    3,268.12/4,902.89 = 1,076.77/x
  3. Step 3: Cross multiply
    3,268.12x = 4,902.89 × 1,076.77
  4. Step 4: Simplify right side
    3,268.12x = 5,279,279.39
  5. Step 5: Solve for x
    x = 5,279,279.39/3,268.12
  6. Step 6: Final answer
    x = 1,615.39

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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.