Home / 2,205.88-3,315.32-1,441.24

Finding the Fourth Proportional to 2,205.88, 3,315.32 and 1,441.24

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Solution

The fourth proportional to 2,205.88, 3,315.32 and 1,441.24 is: 2,166.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205.88 : 3,315.32 = 1,441.24 : x
  2. Step 2: Convert to fraction form
    2,205.88/3,315.32 = 1,441.24/x
  3. Step 3: Cross multiply
    2,205.88x = 3,315.32 × 1,441.24
  4. Step 4: Simplify right side
    2,205.88x = 4,778,171.80
  5. Step 5: Solve for x
    x = 4,778,171.80/2,205.88
  6. Step 6: Final answer
    x = 2,166.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.