Home / 3,786.37-5,679.56-2,322.90

Finding the Fourth Proportional to 3,786.37, 5,679.56 and 2,322.90

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Solution

The fourth proportional to 3,786.37, 5,679.56 and 2,322.90 is: 3,484.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786.37 : 5,679.56 = 2,322.90 : x
  2. Step 2: Convert to fraction form
    3,786.37/5,679.56 = 2,322.90/x
  3. Step 3: Cross multiply
    3,786.37x = 5,679.56 × 2,322.90
  4. Step 4: Simplify right side
    3,786.37x = 13,193,055.73
  5. Step 5: Solve for x
    x = 13,193,055.73/3,786.37
  6. Step 6: Final answer
    x = 3,484.36

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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.