Home / 3,161.46-4,361.94-2,042.45

Finding the Fourth Proportional to 3,161.46, 4,361.94 and 2,042.45

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Solution

The fourth proportional to 3,161.46, 4,361.94 and 2,042.45 is: 2,818.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.46 : 4,361.94 = 2,042.45 : x
  2. Step 2: Convert to fraction form
    3,161.46/4,361.94 = 2,042.45/x
  3. Step 3: Cross multiply
    3,161.46x = 4,361.94 × 2,042.45
  4. Step 4: Simplify right side
    3,161.46x = 8,909,044.35
  5. Step 5: Solve for x
    x = 8,909,044.35/3,161.46
  6. Step 6: Final answer
    x = 2,818.02

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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.