Home / 2,663.22-3,994.80-2,196.66

Finding the Fourth Proportional to 2,663.22, 3,994.80 and 2,196.66

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Solution

The fourth proportional to 2,663.22, 3,994.80 and 2,196.66 is: 3,294.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,663.22 : 3,994.80 = 2,196.66 : x
  2. Step 2: Convert to fraction form
    2,663.22/3,994.80 = 2,196.66/x
  3. Step 3: Cross multiply
    2,663.22x = 3,994.80 × 2,196.66
  4. Step 4: Simplify right side
    2,663.22x = 8,775,217.37
  5. Step 5: Solve for x
    x = 8,775,217.37/2,663.22
  6. Step 6: Final answer
    x = 3,294.97

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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.