Home / 3,961.79-5,466.89-2,193.33

Finding the Fourth Proportional to 3,961.79, 5,466.89 and 2,193.33

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Solution

The fourth proportional to 3,961.79, 5,466.89 and 2,193.33 is: 3,026.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.79 : 5,466.89 = 2,193.33 : x
  2. Step 2: Convert to fraction form
    3,961.79/5,466.89 = 2,193.33/x
  3. Step 3: Cross multiply
    3,961.79x = 5,466.89 × 2,193.33
  4. Step 4: Simplify right side
    3,961.79x = 11,990,693.84
  5. Step 5: Solve for x
    x = 11,990,693.84/3,961.79
  6. Step 6: Final answer
    x = 3,026.58

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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.