Home / 3,797.05-5,239.90-2,118.48

Finding the Fourth Proportional to 3,797.05, 5,239.90 and 2,118.48

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Solution

The fourth proportional to 3,797.05, 5,239.90 and 2,118.48 is: 2,923.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,797.05 : 5,239.90 = 2,118.48 : x
  2. Step 2: Convert to fraction form
    3,797.05/5,239.90 = 2,118.48/x
  3. Step 3: Cross multiply
    3,797.05x = 5,239.90 × 2,118.48
  4. Step 4: Simplify right side
    3,797.05x = 11,100,623.35
  5. Step 5: Solve for x
    x = 11,100,623.35/3,797.05
  6. Step 6: Final answer
    x = 2,923.49

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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.