Home / 3,635.82-5,016.99-2,220.29

Finding the Fourth Proportional to 3,635.82, 5,016.99 and 2,220.29

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Solution

The fourth proportional to 3,635.82, 5,016.99 and 2,220.29 is: 3,063.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.82 : 5,016.99 = 2,220.29 : x
  2. Step 2: Convert to fraction form
    3,635.82/5,016.99 = 2,220.29/x
  3. Step 3: Cross multiply
    3,635.82x = 5,016.99 × 2,220.29
  4. Step 4: Simplify right side
    3,635.82x = 11,139,190.51
  5. Step 5: Solve for x
    x = 11,139,190.51/3,635.82
  6. Step 6: Final answer
    x = 3,063.74

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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.