Home / 1,994.96-2,752.79-1,238.37

Finding the Fourth Proportional to 1,994.96, 2,752.79 and 1,238.37

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Solution

The fourth proportional to 1,994.96, 2,752.79 and 1,238.37 is: 1,708.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994.96 : 2,752.79 = 1,238.37 : x
  2. Step 2: Convert to fraction form
    1,994.96/2,752.79 = 1,238.37/x
  3. Step 3: Cross multiply
    1,994.96x = 2,752.79 × 1,238.37
  4. Step 4: Simplify right side
    1,994.96x = 3,408,966.36
  5. Step 5: Solve for x
    x = 3,408,966.36/1,994.96
  6. Step 6: Final answer
    x = 1,708.79

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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.