Home / 3,161.96-4,362.63-2,042.95

Finding the Fourth Proportional to 3,161.96, 4,362.63 and 2,042.95

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Solution

The fourth proportional to 3,161.96, 4,362.63 and 2,042.95 is: 2,818.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.96 : 4,362.63 = 2,042.95 : x
  2. Step 2: Convert to fraction form
    3,161.96/4,362.63 = 2,042.95/x
  3. Step 3: Cross multiply
    3,161.96x = 4,362.63 × 2,042.95
  4. Step 4: Simplify right side
    3,161.96x = 8,912,634.96
  5. Step 5: Solve for x
    x = 8,912,634.96/3,161.96
  6. Step 6: Final answer
    x = 2,818.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.