Home / 3,485.75-4,806.90-3,197.62

Finding the Fourth Proportional to 3,485.75, 4,806.90 and 3,197.62

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Solution

The fourth proportional to 3,485.75, 4,806.90 and 3,197.62 is: 4,409.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.75 : 4,806.90 = 3,197.62 : x
  2. Step 2: Convert to fraction form
    3,485.75/4,806.90 = 3,197.62/x
  3. Step 3: Cross multiply
    3,485.75x = 4,806.90 × 3,197.62
  4. Step 4: Simplify right side
    3,485.75x = 15,370,627.56
  5. Step 5: Solve for x
    x = 15,370,627.56/3,485.75
  6. Step 6: Final answer
    x = 4,409.57

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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.