Home / 3,636.39-5,018.09-2,222.45

Finding the Fourth Proportional to 3,636.39, 5,018.09 and 2,222.45

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Solution

The fourth proportional to 3,636.39, 5,018.09 and 2,222.45 is: 3,066.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.39 : 5,018.09 = 2,222.45 : x
  2. Step 2: Convert to fraction form
    3,636.39/5,018.09 = 2,222.45/x
  3. Step 3: Cross multiply
    3,636.39x = 5,018.09 × 2,222.45
  4. Step 4: Simplify right side
    3,636.39x = 11,152,453.17
  5. Step 5: Solve for x
    x = 11,152,453.17/3,636.39
  6. Step 6: Final answer
    x = 3,066.90

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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.