Home / 2,922.86-4,384.38-1,996.22

Finding the Fourth Proportional to 2,922.86, 4,384.38 and 1,996.22

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Solution

The fourth proportional to 2,922.86, 4,384.38 and 1,996.22 is: 2,994.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.86 : 4,384.38 = 1,996.22 : x
  2. Step 2: Convert to fraction form
    2,922.86/4,384.38 = 1,996.22/x
  3. Step 3: Cross multiply
    2,922.86x = 4,384.38 × 1,996.22
  4. Step 4: Simplify right side
    2,922.86x = 8,752,187.04
  5. Step 5: Solve for x
    x = 8,752,187.04/2,922.86
  6. Step 6: Final answer
    x = 2,994.39

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1.5x scale

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.