Home / 3,203.94-4,421.44-1,806.69

Finding the Fourth Proportional to 3,203.94, 4,421.44 and 1,806.69

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Solution

The fourth proportional to 3,203.94, 4,421.44 and 1,806.69 is: 2,493.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.94 : 4,421.44 = 1,806.69 : x
  2. Step 2: Convert to fraction form
    3,203.94/4,421.44 = 1,806.69/x
  3. Step 3: Cross multiply
    3,203.94x = 4,421.44 × 1,806.69
  4. Step 4: Simplify right side
    3,203.94x = 7,988,187.00
  5. Step 5: Solve for x
    x = 7,988,187.00/3,203.94
  6. Step 6: Final answer
    x = 2,493.24

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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.