Home / 2,922.00-4,382.96-1,072.39

Finding the Fourth Proportional to 2,922.00, 4,382.96 and 1,072.39

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Solution

The fourth proportional to 2,922.00, 4,382.96 and 1,072.39 is: 1,608.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.00 : 4,382.96 = 1,072.39 : x
  2. Step 2: Convert to fraction form
    2,922.00/4,382.96 = 1,072.39/x
  3. Step 3: Cross multiply
    2,922.00x = 4,382.96 × 1,072.39
  4. Step 4: Simplify right side
    2,922.00x = 4,700,240.41
  5. Step 5: Solve for x
    x = 4,700,240.41/2,922.00
  6. Step 6: Final answer
    x = 1,608.57

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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.