Home / 3,279.09-4,892.58-3,046.80

Finding the Fourth Proportional to 3,279.09, 4,892.58 and 3,046.80

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Solution

The fourth proportional to 3,279.09, 4,892.58 and 3,046.80 is: 4,545.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.09 : 4,892.58 = 3,046.80 : x
  2. Step 2: Convert to fraction form
    3,279.09/4,892.58 = 3,046.80/x
  3. Step 3: Cross multiply
    3,279.09x = 4,892.58 × 3,046.80
  4. Step 4: Simplify right side
    3,279.09x = 14,906,712.74
  5. Step 5: Solve for x
    x = 14,906,712.74/3,279.09
  6. Step 6: Final answer
    x = 4,545.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.