Home / 3,268.32-4,507.18-2,150.21

Finding the Fourth Proportional to 3,268.32, 4,507.18 and 2,150.21

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Solution

The fourth proportional to 3,268.32, 4,507.18 and 2,150.21 is: 2,965.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.32 : 4,507.18 = 2,150.21 : x
  2. Step 2: Convert to fraction form
    3,268.32/4,507.18 = 2,150.21/x
  3. Step 3: Cross multiply
    3,268.32x = 4,507.18 × 2,150.21
  4. Step 4: Simplify right side
    3,268.32x = 9,691,355.60
  5. Step 5: Solve for x
    x = 9,691,355.60/3,268.32
  6. Step 6: Final answer
    x = 2,965.24

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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.