Home / 2,922.45-4,379.37-1,441.23

Finding the Fourth Proportional to 2,922.45, 4,379.37 and 1,441.23

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Solution

The fourth proportional to 2,922.45, 4,379.37 and 1,441.23 is: 2,159.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.45 : 4,379.37 = 1,441.23 : x
  2. Step 2: Convert to fraction form
    2,922.45/4,379.37 = 1,441.23/x
  3. Step 3: Cross multiply
    2,922.45x = 4,379.37 × 1,441.23
  4. Step 4: Simplify right side
    2,922.45x = 6,311,679.43
  5. Step 5: Solve for x
    x = 6,311,679.43/2,922.45
  6. Step 6: Final answer
    x = 2,159.72

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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.