Home / 2,998.73-4,140.69-1,821.35

Finding the Fourth Proportional to 2,998.73, 4,140.69 and 1,821.35

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Solution

The fourth proportional to 2,998.73, 4,140.69 and 1,821.35 is: 2,514.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.73 : 4,140.69 = 1,821.35 : x
  2. Step 2: Convert to fraction form
    2,998.73/4,140.69 = 1,821.35/x
  3. Step 3: Cross multiply
    2,998.73x = 4,140.69 × 1,821.35
  4. Step 4: Simplify right side
    2,998.73x = 7,541,645.73
  5. Step 5: Solve for x
    x = 7,541,645.73/2,998.73
  6. Step 6: Final answer
    x = 2,514.95

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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.