Home / 3,378.26-4,662.14-1,961.93

Finding the Fourth Proportional to 3,378.26, 4,662.14 and 1,961.93

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Solution

The fourth proportional to 3,378.26, 4,662.14 and 1,961.93 is: 2,707.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.26 : 4,662.14 = 1,961.93 : x
  2. Step 2: Convert to fraction form
    3,378.26/4,662.14 = 1,961.93/x
  3. Step 3: Cross multiply
    3,378.26x = 4,662.14 × 1,961.93
  4. Step 4: Simplify right side
    3,378.26x = 9,146,794.18
  5. Step 5: Solve for x
    x = 9,146,794.18/3,378.26
  6. Step 6: Final answer
    x = 2,707.54

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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.