Home / 1,994.28-2,976.35-1,942.44

Finding the Fourth Proportional to 1,994.28, 2,976.35 and 1,942.44

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Solution

The fourth proportional to 1,994.28, 2,976.35 and 1,942.44 is: 2,898.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994.28 : 2,976.35 = 1,942.44 : x
  2. Step 2: Convert to fraction form
    1,994.28/2,976.35 = 1,942.44/x
  3. Step 3: Cross multiply
    1,994.28x = 2,976.35 × 1,942.44
  4. Step 4: Simplify right side
    1,994.28x = 5,781,371.58
  5. Step 5: Solve for x
    x = 5,781,371.58/1,994.28
  6. Step 6: Final answer
    x = 2,898.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.