Home / 1,922.12-2,881.62-1,768.35

Finding the Fourth Proportional to 1,922.12, 2,881.62 and 1,768.35

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Solution

The fourth proportional to 1,922.12, 2,881.62 and 1,768.35 is: 2,651.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.12 : 2,881.62 = 1,768.35 : x
  2. Step 2: Convert to fraction form
    1,922.12/2,881.62 = 1,768.35/x
  3. Step 3: Cross multiply
    1,922.12x = 2,881.62 × 1,768.35
  4. Step 4: Simplify right side
    1,922.12x = 5,095,712.73
  5. Step 5: Solve for x
    x = 5,095,712.73/1,922.12
  6. Step 6: Final answer
    x = 2,651.10

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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.