Home / 3,260.75-4,498.88-2,081.79

Finding the Fourth Proportional to 3,260.75, 4,498.88 and 2,081.79

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Solution

The fourth proportional to 3,260.75, 4,498.88 and 2,081.79 is: 2,872.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.75 : 4,498.88 = 2,081.79 : x
  2. Step 2: Convert to fraction form
    3,260.75/4,498.88 = 2,081.79/x
  3. Step 3: Cross multiply
    3,260.75x = 4,498.88 × 2,081.79
  4. Step 4: Simplify right side
    3,260.75x = 9,365,712.99
  5. Step 5: Solve for x
    x = 9,365,712.99/3,260.75
  6. Step 6: Final answer
    x = 2,872.26

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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.