Home / 3,226.86-4,453.14-1,900.32

Finding the Fourth Proportional to 3,226.86, 4,453.14 and 1,900.32

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Solution

The fourth proportional to 3,226.86, 4,453.14 and 1,900.32 is: 2,622.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.86 : 4,453.14 = 1,900.32 : x
  2. Step 2: Convert to fraction form
    3,226.86/4,453.14 = 1,900.32/x
  3. Step 3: Cross multiply
    3,226.86x = 4,453.14 × 1,900.32
  4. Step 4: Simplify right side
    3,226.86x = 8,462,391.00
  5. Step 5: Solve for x
    x = 8,462,391.00/3,226.86
  6. Step 6: Final answer
    x = 2,622.48

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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.