Home / 2,920.82-4,033.44-1,874.70

Finding the Fourth Proportional to 2,920.82, 4,033.44 and 1,874.70

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Solution

The fourth proportional to 2,920.82, 4,033.44 and 1,874.70 is: 2,588.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.82 : 4,033.44 = 1,874.70 : x
  2. Step 2: Convert to fraction form
    2,920.82/4,033.44 = 1,874.70/x
  3. Step 3: Cross multiply
    2,920.82x = 4,033.44 × 1,874.70
  4. Step 4: Simplify right side
    2,920.82x = 7,561,489.97
  5. Step 5: Solve for x
    x = 7,561,489.97/2,920.82
  6. Step 6: Final answer
    x = 2,588.83

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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.