Home / 2,922.84-4,381.92-1,996.08

Finding the Fourth Proportional to 2,922.84, 4,381.92 and 1,996.08

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Solution

The fourth proportional to 2,922.84, 4,381.92 and 1,996.08 is: 2,992.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.84 : 4,381.92 = 1,996.08 : x
  2. Step 2: Convert to fraction form
    2,922.84/4,381.92 = 1,996.08/x
  3. Step 3: Cross multiply
    2,922.84x = 4,381.92 × 1,996.08
  4. Step 4: Simplify right side
    2,922.84x = 8,746,662.87
  5. Step 5: Solve for x
    x = 8,746,662.87/2,922.84
  6. Step 6: Final answer
    x = 2,992.52

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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.