Home / 3,408.08-4,703.09-2,081.79

Finding the Fourth Proportional to 3,408.08, 4,703.09 and 2,081.79

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Solution

The fourth proportional to 3,408.08, 4,703.09 and 2,081.79 is: 2,872.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.08 : 4,703.09 = 2,081.79 : x
  2. Step 2: Convert to fraction form
    3,408.08/4,703.09 = 2,081.79/x
  3. Step 3: Cross multiply
    3,408.08x = 4,703.09 × 2,081.79
  4. Step 4: Simplify right side
    3,408.08x = 9,790,822.22
  5. Step 5: Solve for x
    x = 9,790,822.22/3,408.08
  6. Step 6: Final answer
    x = 2,872.83

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1.5x scale

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.