Home / 1,994.23-2,752.21-1,208.73

Finding the Fourth Proportional to 1,994.23, 2,752.21 and 1,208.73

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Solution

The fourth proportional to 1,994.23, 2,752.21 and 1,208.73 is: 1,668.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994.23 : 2,752.21 = 1,208.73 : x
  2. Step 2: Convert to fraction form
    1,994.23/2,752.21 = 1,208.73/x
  3. Step 3: Cross multiply
    1,994.23x = 2,752.21 × 1,208.73
  4. Step 4: Simplify right side
    1,994.23x = 3,326,678.79
  5. Step 5: Solve for x
    x = 3,326,678.79/1,994.23
  6. Step 6: Final answer
    x = 1,668.15

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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.