Home / 3,340.09-5,013.78-1,879.66

Finding the Fourth Proportional to 3,340.09, 5,013.78 and 1,879.66

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Solution

The fourth proportional to 3,340.09, 5,013.78 and 1,879.66 is: 2,821.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.09 : 5,013.78 = 1,879.66 : x
  2. Step 2: Convert to fraction form
    3,340.09/5,013.78 = 1,879.66/x
  3. Step 3: Cross multiply
    3,340.09x = 5,013.78 × 1,879.66
  4. Step 4: Simplify right side
    3,340.09x = 9,424,201.71
  5. Step 5: Solve for x
    x = 9,424,201.71/3,340.09
  6. Step 6: Final answer
    x = 2,821.54

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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.