Home / 4,021.20-6,028.92-2,071.80

Finding the Fourth Proportional to 4,021.20, 6,028.92 and 2,071.80

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Solution

The fourth proportional to 4,021.20, 6,028.92 and 2,071.80 is: 3,106.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021.20 : 6,028.92 = 2,071.80 : x
  2. Step 2: Convert to fraction form
    4,021.20/6,028.92 = 2,071.80/x
  3. Step 3: Cross multiply
    4,021.20x = 6,028.92 × 2,071.80
  4. Step 4: Simplify right side
    4,021.20x = 12,490,716.46
  5. Step 5: Solve for x
    x = 12,490,716.46/4,021.20
  6. Step 6: Final answer
    x = 3,106.22

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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.