Home / 1,994.58-2,753.49-1,368.42

Finding the Fourth Proportional to 1,994.58, 2,753.49 and 1,368.42

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Solution

The fourth proportional to 1,994.58, 2,753.49 and 1,368.42 is: 1,889.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994.58 : 2,753.49 = 1,368.42 : x
  2. Step 2: Convert to fraction form
    1,994.58/2,753.49 = 1,368.42/x
  3. Step 3: Cross multiply
    1,994.58x = 2,753.49 × 1,368.42
  4. Step 4: Simplify right side
    1,994.58x = 3,767,930.79
  5. Step 5: Solve for x
    x = 3,767,930.79/1,994.58
  6. Step 6: Final answer
    x = 1,889.08

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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.