Home / 3,456.72-4,769.96-1,964.60

Finding the Fourth Proportional to 3,456.72, 4,769.96 and 1,964.60

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Solution

The fourth proportional to 3,456.72, 4,769.96 and 1,964.60 is: 2,710.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.72 : 4,769.96 = 1,964.60 : x
  2. Step 2: Convert to fraction form
    3,456.72/4,769.96 = 1,964.60/x
  3. Step 3: Cross multiply
    3,456.72x = 4,769.96 × 1,964.60
  4. Step 4: Simplify right side
    3,456.72x = 9,371,063.42
  5. Step 5: Solve for x
    x = 9,371,063.42/3,456.72
  6. Step 6: Final answer
    x = 2,710.97

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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.