Home / 3,476.94-5,212.44-1,398.48

Finding the Fourth Proportional to 3,476.94, 5,212.44 and 1,398.48

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Solution

The fourth proportional to 3,476.94, 5,212.44 and 1,398.48 is: 2,096.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476.94 : 5,212.44 = 1,398.48 : x
  2. Step 2: Convert to fraction form
    3,476.94/5,212.44 = 1,398.48/x
  3. Step 3: Cross multiply
    3,476.94x = 5,212.44 × 1,398.48
  4. Step 4: Simplify right side
    3,476.94x = 7,289,493.09
  5. Step 5: Solve for x
    x = 7,289,493.09/3,476.94
  6. Step 6: Final answer
    x = 2,096.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.