Home / 3,226.80-4,453.20-1,829.76

Finding the Fourth Proportional to 3,226.80, 4,453.20 and 1,829.76

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Solution

The fourth proportional to 3,226.80, 4,453.20 and 1,829.76 is: 2,525.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.80 : 4,453.20 = 1,829.76 : x
  2. Step 2: Convert to fraction form
    3,226.80/4,453.20 = 1,829.76/x
  3. Step 3: Cross multiply
    3,226.80x = 4,453.20 × 1,829.76
  4. Step 4: Simplify right side
    3,226.80x = 8,148,287.23
  5. Step 5: Solve for x
    x = 8,148,287.23/3,226.80
  6. Step 6: Final answer
    x = 2,525.19

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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.