Home / 3,485.43-5,228.46-1,293.48

Finding the Fourth Proportional to 3,485.43, 5,228.46 and 1,293.48

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Solution

The fourth proportional to 3,485.43, 5,228.46 and 1,293.48 is: 1,940.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.43 : 5,228.46 = 1,293.48 : x
  2. Step 2: Convert to fraction form
    3,485.43/5,228.46 = 1,293.48/x
  3. Step 3: Cross multiply
    3,485.43x = 5,228.46 × 1,293.48
  4. Step 4: Simplify right side
    3,485.43x = 6,762,908.44
  5. Step 5: Solve for x
    x = 6,762,908.44/3,485.43
  6. Step 6: Final answer
    x = 1,940.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.