Home / 3,201.75-4,435.53-3,125.20

Finding the Fourth Proportional to 3,201.75, 4,435.53 and 3,125.20

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Solution

The fourth proportional to 3,201.75, 4,435.53 and 3,125.20 is: 4,329.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.75 : 4,435.53 = 3,125.20 : x
  2. Step 2: Convert to fraction form
    3,201.75/4,435.53 = 3,125.20/x
  3. Step 3: Cross multiply
    3,201.75x = 4,435.53 × 3,125.20
  4. Step 4: Simplify right side
    3,201.75x = 13,861,918.36
  5. Step 5: Solve for x
    x = 13,861,918.36/3,201.75
  6. Step 6: Final answer
    x = 4,329.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.