Home / 3,202.75-4,420.61-1,806.31

Finding the Fourth Proportional to 3,202.75, 4,420.61 and 1,806.31

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Solution

The fourth proportional to 3,202.75, 4,420.61 and 1,806.31 is: 2,493.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,202.75 : 4,420.61 = 1,806.31 : x
  2. Step 2: Convert to fraction form
    3,202.75/4,420.61 = 1,806.31/x
  3. Step 3: Cross multiply
    3,202.75x = 4,420.61 × 1,806.31
  4. Step 4: Simplify right side
    3,202.75x = 7,984,992.05
  5. Step 5: Solve for x
    x = 7,984,992.05/3,202.75
  6. Step 6: Final answer
    x = 2,493.17

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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.