Home / 2,998.85-4,135.73-1,879.91

Finding the Fourth Proportional to 2,998.85, 4,135.73 and 1,879.91

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Solution

The fourth proportional to 2,998.85, 4,135.73 and 1,879.91 is: 2,592.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.85 : 4,135.73 = 1,879.91 : x
  2. Step 2: Convert to fraction form
    2,998.85/4,135.73 = 1,879.91/x
  3. Step 3: Cross multiply
    2,998.85x = 4,135.73 × 1,879.91
  4. Step 4: Simplify right side
    2,998.85x = 7,774,801.12
  5. Step 5: Solve for x
    x = 7,774,801.12/2,998.85
  6. Step 6: Final answer
    x = 2,592.59

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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.