Home / 2,917.80-4,370.94-1,684.44

Finding the Fourth Proportional to 2,917.80, 4,370.94 and 1,684.44

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Solution

The fourth proportional to 2,917.80, 4,370.94 and 1,684.44 is: 2,523.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.80 : 4,370.94 = 1,684.44 : x
  2. Step 2: Convert to fraction form
    2,917.80/4,370.94 = 1,684.44/x
  3. Step 3: Cross multiply
    2,917.80x = 4,370.94 × 1,684.44
  4. Step 4: Simplify right side
    2,917.80x = 7,362,586.17
  5. Step 5: Solve for x
    x = 7,362,586.17/2,917.80
  6. Step 6: Final answer
    x = 2,523.33

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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.