Home / 3,028.64-4,179.50-1,684.22

Finding the Fourth Proportional to 3,028.64, 4,179.50 and 1,684.22

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Solution

The fourth proportional to 3,028.64, 4,179.50 and 1,684.22 is: 2,324.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.64 : 4,179.50 = 1,684.22 : x
  2. Step 2: Convert to fraction form
    3,028.64/4,179.50 = 1,684.22/x
  3. Step 3: Cross multiply
    3,028.64x = 4,179.50 × 1,684.22
  4. Step 4: Simplify right side
    3,028.64x = 7,039,197.49
  5. Step 5: Solve for x
    x = 7,039,197.49/3,028.64
  6. Step 6: Final answer
    x = 2,324.21

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Double scale
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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.