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Finding the Fourth Proportional to 3,558.33, 4,910.72 and 1,964.97

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Solution

The fourth proportional to 3,558.33, 4,910.72 and 1,964.97 is: 2,711.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.33 : 4,910.72 = 1,964.97 : x
  2. Step 2: Convert to fraction form
    3,558.33/4,910.72 = 1,964.97/x
  3. Step 3: Cross multiply
    3,558.33x = 4,910.72 × 1,964.97
  4. Step 4: Simplify right side
    3,558.33x = 9,649,407.65
  5. Step 5: Solve for x
    x = 9,649,407.65/3,558.33
  6. Step 6: Final answer
    x = 2,711.78

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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.