Home / 3,628.55-5,007.78-2,213.07

Finding the Fourth Proportional to 3,628.55, 5,007.78 and 2,213.07

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Solution

The fourth proportional to 3,628.55, 5,007.78 and 2,213.07 is: 3,054.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628.55 : 5,007.78 = 2,213.07 : x
  2. Step 2: Convert to fraction form
    3,628.55/5,007.78 = 2,213.07/x
  3. Step 3: Cross multiply
    3,628.55x = 5,007.78 × 2,213.07
  4. Step 4: Simplify right side
    3,628.55x = 11,082,567.68
  5. Step 5: Solve for x
    x = 11,082,567.68/3,628.55
  6. Step 6: Final answer
    x = 3,054.27

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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.