Home / 3,268.70-4,503.18-2,272.25

Finding the Fourth Proportional to 3,268.70, 4,503.18 and 2,272.25

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Solution

The fourth proportional to 3,268.70, 4,503.18 and 2,272.25 is: 3,130.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.70 : 4,503.18 = 2,272.25 : x
  2. Step 2: Convert to fraction form
    3,268.70/4,503.18 = 2,272.25/x
  3. Step 3: Cross multiply
    3,268.70x = 4,503.18 × 2,272.25
  4. Step 4: Simplify right side
    3,268.70x = 10,232,316.88
  5. Step 5: Solve for x
    x = 10,232,316.88/3,268.70
  6. Step 6: Final answer
    x = 3,130.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.