Home / 3,372.75-4,654.40-1,976.31

Finding the Fourth Proportional to 3,372.75, 4,654.40 and 1,976.31

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Solution

The fourth proportional to 3,372.75, 4,654.40 and 1,976.31 is: 2,727.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,372.75 : 4,654.40 = 1,976.31 : x
  2. Step 2: Convert to fraction form
    3,372.75/4,654.40 = 1,976.31/x
  3. Step 3: Cross multiply
    3,372.75x = 4,654.40 × 1,976.31
  4. Step 4: Simplify right side
    3,372.75x = 9,198,527.38
  5. Step 5: Solve for x
    x = 9,198,527.38/3,372.75
  6. Step 6: Final answer
    x = 2,727.31

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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.