Home / 2,917.37-4,375.96-1,680.95

Finding the Fourth Proportional to 2,917.37, 4,375.96 and 1,680.95

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Solution

The fourth proportional to 2,917.37, 4,375.96 and 1,680.95 is: 2,521.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.37 : 4,375.96 = 1,680.95 : x
  2. Step 2: Convert to fraction form
    2,917.37/4,375.96 = 1,680.95/x
  3. Step 3: Cross multiply
    2,917.37x = 4,375.96 × 1,680.95
  4. Step 4: Simplify right side
    2,917.37x = 7,355,743.88
  5. Step 5: Solve for x
    x = 7,355,743.88/2,917.37
  6. Step 6: Final answer
    x = 2,521.37

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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.