Home / 3,788.19-5,228.01-2,195.37

Finding the Fourth Proportional to 3,788.19, 5,228.01 and 2,195.37

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Solution

The fourth proportional to 3,788.19, 5,228.01 and 2,195.37 is: 3,029.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.19 : 5,228.01 = 2,195.37 : x
  2. Step 2: Convert to fraction form
    3,788.19/5,228.01 = 2,195.37/x
  3. Step 3: Cross multiply
    3,788.19x = 5,228.01 × 2,195.37
  4. Step 4: Simplify right side
    3,788.19x = 11,477,416.31
  5. Step 5: Solve for x
    x = 11,477,416.31/3,788.19
  6. Step 6: Final answer
    x = 3,029.79

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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.