Home / 2,698.09-4,045.30-1,236.44

Finding the Fourth Proportional to 2,698.09, 4,045.30 and 1,236.44

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Solution

The fourth proportional to 2,698.09, 4,045.30 and 1,236.44 is: 1,853.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698.09 : 4,045.30 = 1,236.44 : x
  2. Step 2: Convert to fraction form
    2,698.09/4,045.30 = 1,236.44/x
  3. Step 3: Cross multiply
    2,698.09x = 4,045.30 × 1,236.44
  4. Step 4: Simplify right side
    2,698.09x = 5,001,770.73
  5. Step 5: Solve for x
    x = 5,001,770.73/2,698.09
  6. Step 6: Final answer
    x = 1,853.82

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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.