Home / 3,216.33-4,438.46-1,890.07

Finding the Fourth Proportional to 3,216.33, 4,438.46 and 1,890.07

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Solution

The fourth proportional to 3,216.33, 4,438.46 and 1,890.07 is: 2,608.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.33 : 4,438.46 = 1,890.07 : x
  2. Step 2: Convert to fraction form
    3,216.33/4,438.46 = 1,890.07/x
  3. Step 3: Cross multiply
    3,216.33x = 4,438.46 × 1,890.07
  4. Step 4: Simplify right side
    3,216.33x = 8,388,993.72
  5. Step 5: Solve for x
    x = 8,388,993.72/3,216.33
  6. Step 6: Final answer
    x = 2,608.25

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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.