Home / 3,220.70-4,443.55-1,804.19

Finding the Fourth Proportional to 3,220.70, 4,443.55 and 1,804.19

Calculator

Solution

The fourth proportional to 3,220.70, 4,443.55 and 1,804.19 is: 2,489.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.70 : 4,443.55 = 1,804.19 : x
  2. Step 2: Convert to fraction form
    3,220.70/4,443.55 = 1,804.19/x
  3. Step 3: Cross multiply
    3,220.70x = 4,443.55 × 1,804.19
  4. Step 4: Simplify right side
    3,220.70x = 8,017,011.82
  5. Step 5: Solve for x
    x = 8,017,011.82/3,220.70
  6. Step 6: Final answer
    x = 2,489.22

Related Problems

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.