Home / 1,939.74-2,676.83-1,659.62

Finding the Fourth Proportional to 1,939.74, 2,676.83 and 1,659.62

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Solution

The fourth proportional to 1,939.74, 2,676.83 and 1,659.62 is: 2,290.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939.74 : 2,676.83 = 1,659.62 : x
  2. Step 2: Convert to fraction form
    1,939.74/2,676.83 = 1,659.62/x
  3. Step 3: Cross multiply
    1,939.74x = 2,676.83 × 1,659.62
  4. Step 4: Simplify right side
    1,939.74x = 4,442,498.92
  5. Step 5: Solve for x
    x = 4,442,498.92/1,939.74
  6. Step 6: Final answer
    x = 2,290.25

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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.