Home / 3,028.68-4,179.60-1,684.32

Finding the Fourth Proportional to 3,028.68, 4,179.60 and 1,684.32

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Solution

The fourth proportional to 3,028.68, 4,179.60 and 1,684.32 is: 2,324.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.68 : 4,179.60 = 1,684.32 : x
  2. Step 2: Convert to fraction form
    3,028.68/4,179.60 = 1,684.32/x
  3. Step 3: Cross multiply
    3,028.68x = 4,179.60 × 1,684.32
  4. Step 4: Simplify right side
    3,028.68x = 7,039,783.87
  5. Step 5: Solve for x
    x = 7,039,783.87/3,028.68
  6. Step 6: Final answer
    x = 2,324.37

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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.