Home / 3,268.85-4,903.25-1,321.02

Finding the Fourth Proportional to 3,268.85, 4,903.25 and 1,321.02

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Solution

The fourth proportional to 3,268.85, 4,903.25 and 1,321.02 is: 1,981.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.85 : 4,903.25 = 1,321.02 : x
  2. Step 2: Convert to fraction form
    3,268.85/4,903.25 = 1,321.02/x
  3. Step 3: Cross multiply
    3,268.85x = 4,903.25 × 1,321.02
  4. Step 4: Simplify right side
    3,268.85x = 6,477,284.71
  5. Step 5: Solve for x
    x = 6,477,284.71/3,268.85
  6. Step 6: Final answer
    x = 1,981.52

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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.