Home / 3,268.84-4,903.27-1,321.05

Finding the Fourth Proportional to 3,268.84, 4,903.27 and 1,321.05

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Solution

The fourth proportional to 3,268.84, 4,903.27 and 1,321.05 is: 1,981.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.84 : 4,903.27 = 1,321.05 : x
  2. Step 2: Convert to fraction form
    3,268.84/4,903.27 = 1,321.05/x
  3. Step 3: Cross multiply
    3,268.84x = 4,903.27 × 1,321.05
  4. Step 4: Simplify right side
    3,268.84x = 6,477,464.83
  5. Step 5: Solve for x
    x = 6,477,464.83/3,268.84
  6. Step 6: Final answer
    x = 1,981.58

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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.