Home / 3,228.37-4,450.87-2,900.32

Finding the Fourth Proportional to 3,228.37, 4,450.87 and 2,900.32

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Solution

The fourth proportional to 3,228.37, 4,450.87 and 2,900.32 is: 3,998.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.37 : 4,450.87 = 2,900.32 : x
  2. Step 2: Convert to fraction form
    3,228.37/4,450.87 = 2,900.32/x
  3. Step 3: Cross multiply
    3,228.37x = 4,450.87 × 2,900.32
  4. Step 4: Simplify right side
    3,228.37x = 12,908,939.78
  5. Step 5: Solve for x
    x = 12,908,939.78/3,228.37
  6. Step 6: Final answer
    x = 3,998.60

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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.