Home / 3,456.48-4,770.26-1,964.87

Finding the Fourth Proportional to 3,456.48, 4,770.26 and 1,964.87

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Solution

The fourth proportional to 3,456.48, 4,770.26 and 1,964.87 is: 2,711.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.48 : 4,770.26 = 1,964.87 : x
  2. Step 2: Convert to fraction form
    3,456.48/4,770.26 = 1,964.87/x
  3. Step 3: Cross multiply
    3,456.48x = 4,770.26 × 1,964.87
  4. Step 4: Simplify right side
    3,456.48x = 9,372,907.09
  5. Step 5: Solve for x
    x = 9,372,907.09/3,456.48
  6. Step 6: Final answer
    x = 2,711.69

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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.