Home / 3,636.60-5,016.96-2,220.36

Finding the Fourth Proportional to 3,636.60, 5,016.96 and 2,220.36

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Solution

The fourth proportional to 3,636.60, 5,016.96 and 2,220.36 is: 3,063.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.60 : 5,016.96 = 2,220.36 : x
  2. Step 2: Convert to fraction form
    3,636.60/5,016.96 = 2,220.36/x
  3. Step 3: Cross multiply
    3,636.60x = 5,016.96 × 2,220.36
  4. Step 4: Simplify right side
    3,636.60x = 11,139,457.31
  5. Step 5: Solve for x
    x = 11,139,457.31/3,636.60
  6. Step 6: Final answer
    x = 3,063.15

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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.