Home / 3,021.09-4,169.30-1,676.77

Finding the Fourth Proportional to 3,021.09, 4,169.30 and 1,676.77

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Solution

The fourth proportional to 3,021.09, 4,169.30 and 1,676.77 is: 2,314.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.09 : 4,169.30 = 1,676.77 : x
  2. Step 2: Convert to fraction form
    3,021.09/4,169.30 = 1,676.77/x
  3. Step 3: Cross multiply
    3,021.09x = 4,169.30 × 1,676.77
  4. Step 4: Simplify right side
    3,021.09x = 6,990,957.16
  5. Step 5: Solve for x
    x = 6,990,957.16/3,021.09
  6. Step 6: Final answer
    x = 2,314.05

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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.