Home / 3,225.09-4,450.66-1,809.08

Finding the Fourth Proportional to 3,225.09, 4,450.66 and 1,809.08

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Solution

The fourth proportional to 3,225.09, 4,450.66 and 1,809.08 is: 2,496.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.09 : 4,450.66 = 1,809.08 : x
  2. Step 2: Convert to fraction form
    3,225.09/4,450.66 = 1,809.08/x
  3. Step 3: Cross multiply
    3,225.09x = 4,450.66 × 1,809.08
  4. Step 4: Simplify right side
    3,225.09x = 8,051,577.74
  5. Step 5: Solve for x
    x = 8,051,577.74/3,225.09
  6. Step 6: Final answer
    x = 2,496.54

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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.