Home / 3,628.49-5,007.32-2,212.18

Finding the Fourth Proportional to 3,628.49, 5,007.32 and 2,212.18

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Solution

The fourth proportional to 3,628.49, 5,007.32 and 2,212.18 is: 3,052.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628.49 : 5,007.32 = 2,212.18 : x
  2. Step 2: Convert to fraction form
    3,628.49/5,007.32 = 2,212.18/x
  3. Step 3: Cross multiply
    3,628.49x = 5,007.32 × 2,212.18
  4. Step 4: Simplify right side
    3,628.49x = 11,077,057.06
  5. Step 5: Solve for x
    x = 11,077,057.06/3,628.49
  6. Step 6: Final answer
    x = 3,052.80

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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.