Home / 3,268.74-4,903.50-1,321.50

Finding the Fourth Proportional to 3,268.74, 4,903.50 and 1,321.50

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Solution

The fourth proportional to 3,268.74, 4,903.50 and 1,321.50 is: 1,982.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.74 : 4,903.50 = 1,321.50 : x
  2. Step 2: Convert to fraction form
    3,268.74/4,903.50 = 1,321.50/x
  3. Step 3: Cross multiply
    3,268.74x = 4,903.50 × 1,321.50
  4. Step 4: Simplify right side
    3,268.74x = 6,479,975.25
  5. Step 5: Solve for x
    x = 6,479,975.25/3,268.74
  6. Step 6: Final answer
    x = 1,982.41

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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.