Home / 3,260.82-4,492.88-2,211.06

Finding the Fourth Proportional to 3,260.82, 4,492.88 and 2,211.06

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Solution

The fourth proportional to 3,260.82, 4,492.88 and 2,211.06 is: 3,046.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.82 : 4,492.88 = 2,211.06 : x
  2. Step 2: Convert to fraction form
    3,260.82/4,492.88 = 2,211.06/x
  3. Step 3: Cross multiply
    3,260.82x = 4,492.88 × 2,211.06
  4. Step 4: Simplify right side
    3,260.82x = 9,934,027.25
  5. Step 5: Solve for x
    x = 9,934,027.25/3,260.82
  6. Step 6: Final answer
    x = 3,046.48

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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.