Home / 3,074.72-4,244.87-2,028.61

Finding the Fourth Proportional to 3,074.72, 4,244.87 and 2,028.61

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Solution

The fourth proportional to 3,074.72, 4,244.87 and 2,028.61 is: 2,800.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.72 : 4,244.87 = 2,028.61 : x
  2. Step 2: Convert to fraction form
    3,074.72/4,244.87 = 2,028.61/x
  3. Step 3: Cross multiply
    3,074.72x = 4,244.87 × 2,028.61
  4. Step 4: Simplify right side
    3,074.72x = 8,611,180.19
  5. Step 5: Solve for x
    x = 8,611,180.19/3,074.72
  6. Step 6: Final answer
    x = 2,800.64

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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.