Home / 3,220.44-4,443.74-1,804.22

Finding the Fourth Proportional to 3,220.44, 4,443.74 and 1,804.22

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Solution

The fourth proportional to 3,220.44, 4,443.74 and 1,804.22 is: 2,489.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.44 : 4,443.74 = 1,804.22 : x
  2. Step 2: Convert to fraction form
    3,220.44/4,443.74 = 1,804.22/x
  3. Step 3: Cross multiply
    3,220.44x = 4,443.74 × 1,804.22
  4. Step 4: Simplify right side
    3,220.44x = 8,017,484.58
  5. Step 5: Solve for x
    x = 8,017,484.58/3,220.44
  6. Step 6: Final answer
    x = 2,489.56

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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.