Home / 3,456.26-4,769.48-1,964.31

Finding the Fourth Proportional to 3,456.26, 4,769.48 and 1,964.31

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Solution

The fourth proportional to 3,456.26, 4,769.48 and 1,964.31 is: 2,710.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.26 : 4,769.48 = 1,964.31 : x
  2. Step 2: Convert to fraction form
    3,456.26/4,769.48 = 1,964.31/x
  3. Step 3: Cross multiply
    3,456.26x = 4,769.48 × 1,964.31
  4. Step 4: Simplify right side
    3,456.26x = 9,368,757.82
  5. Step 5: Solve for x
    x = 9,368,757.82/3,456.26
  6. Step 6: Final answer
    x = 2,710.67

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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.