Home / 3,279.03-4,920.59-1,331.23

Finding the Fourth Proportional to 3,279.03, 4,920.59 and 1,331.23

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Solution

The fourth proportional to 3,279.03, 4,920.59 and 1,331.23 is: 1,997.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.03 : 4,920.59 = 1,331.23 : x
  2. Step 2: Convert to fraction form
    3,279.03/4,920.59 = 1,331.23/x
  3. Step 3: Cross multiply
    3,279.03x = 4,920.59 × 1,331.23
  4. Step 4: Simplify right side
    3,279.03x = 6,550,446.50
  5. Step 5: Solve for x
    x = 6,550,446.50/3,279.03
  6. Step 6: Final answer
    x = 1,997.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.