Home / 3,605.25-4,975.79-2,208.81

Finding the Fourth Proportional to 3,605.25, 4,975.79 and 2,208.81

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Solution

The fourth proportional to 3,605.25, 4,975.79 and 2,208.81 is: 3,048.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.25 : 4,975.79 = 2,208.81 : x
  2. Step 2: Convert to fraction form
    3,605.25/4,975.79 = 2,208.81/x
  3. Step 3: Cross multiply
    3,605.25x = 4,975.79 × 2,208.81
  4. Step 4: Simplify right side
    3,605.25x = 10,990,563.67
  5. Step 5: Solve for x
    x = 10,990,563.67/3,605.25
  6. Step 6: Final answer
    x = 3,048.49

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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.