Home / 3,928.26-5,411.14-3,359.23

Finding the Fourth Proportional to 3,928.26, 5,411.14 and 3,359.23

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Solution

The fourth proportional to 3,928.26, 5,411.14 and 3,359.23 is: 4,627.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928.26 : 5,411.14 = 3,359.23 : x
  2. Step 2: Convert to fraction form
    3,928.26/5,411.14 = 3,359.23/x
  3. Step 3: Cross multiply
    3,928.26x = 5,411.14 × 3,359.23
  4. Step 4: Simplify right side
    3,928.26x = 18,177,263.82
  5. Step 5: Solve for x
    x = 18,177,263.82/3,928.26
  6. Step 6: Final answer
    x = 4,627.31

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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.