Home / 3,215.88-4,438.44-1,872.27

Finding the Fourth Proportional to 3,215.88, 4,438.44 and 1,872.27

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Solution

The fourth proportional to 3,215.88, 4,438.44 and 1,872.27 is: 2,584.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.88 : 4,438.44 = 1,872.27 : x
  2. Step 2: Convert to fraction form
    3,215.88/4,438.44 = 1,872.27/x
  3. Step 3: Cross multiply
    3,215.88x = 4,438.44 × 1,872.27
  4. Step 4: Simplify right side
    3,215.88x = 8,309,958.06
  5. Step 5: Solve for x
    x = 8,309,958.06/3,215.88
  6. Step 6: Final answer
    x = 2,584.04

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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.