Home / 4,121.43-6,185.73-1,657.95

Finding the Fourth Proportional to 4,121.43, 6,185.73 and 1,657.95

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Solution

The fourth proportional to 4,121.43, 6,185.73 and 1,657.95 is: 2,488.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.43 : 6,185.73 = 1,657.95 : x
  2. Step 2: Convert to fraction form
    4,121.43/6,185.73 = 1,657.95/x
  3. Step 3: Cross multiply
    4,121.43x = 6,185.73 × 1,657.95
  4. Step 4: Simplify right side
    4,121.43x = 10,255,631.05
  5. Step 5: Solve for x
    x = 10,255,631.05/4,121.43
  6. Step 6: Final answer
    x = 2,488.37

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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.