Home / 3,206.09-4,424.23-1,808.75

Finding the Fourth Proportional to 3,206.09, 4,424.23 and 1,808.75

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Solution

The fourth proportional to 3,206.09, 4,424.23 and 1,808.75 is: 2,495.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.09 : 4,424.23 = 1,808.75 : x
  2. Step 2: Convert to fraction form
    3,206.09/4,424.23 = 1,808.75/x
  3. Step 3: Cross multiply
    3,206.09x = 4,424.23 × 1,808.75
  4. Step 4: Simplify right side
    3,206.09x = 8,002,326.01
  5. Step 5: Solve for x
    x = 8,002,326.01/3,206.09
  6. Step 6: Final answer
    x = 2,495.98

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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.