Home / 3,066.30-4,229.82-1,945.32

Finding the Fourth Proportional to 3,066.30, 4,229.82 and 1,945.32

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Solution

The fourth proportional to 3,066.30, 4,229.82 and 1,945.32 is: 2,683.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.30 : 4,229.82 = 1,945.32 : x
  2. Step 2: Convert to fraction form
    3,066.30/4,229.82 = 1,945.32/x
  3. Step 3: Cross multiply
    3,066.30x = 4,229.82 × 1,945.32
  4. Step 4: Simplify right side
    3,066.30x = 8,228,353.44
  5. Step 5: Solve for x
    x = 8,228,353.44/3,066.30
  6. Step 6: Final answer
    x = 2,683.48

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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.