Home / 3,879.49-5,820.26-2,030.11

Finding the Fourth Proportional to 3,879.49, 5,820.26 and 2,030.11

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Solution

The fourth proportional to 3,879.49, 5,820.26 and 2,030.11 is: 3,045.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879.49 : 5,820.26 = 2,030.11 : x
  2. Step 2: Convert to fraction form
    3,879.49/5,820.26 = 2,030.11/x
  3. Step 3: Cross multiply
    3,879.49x = 5,820.26 × 2,030.11
  4. Step 4: Simplify right side
    3,879.49x = 11,815,768.03
  5. Step 5: Solve for x
    x = 11,815,768.03/3,879.49
  6. Step 6: Final answer
    x = 3,045.70

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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.