Home / 3,788.20-5,224.26-2,388.52

Finding the Fourth Proportional to 3,788.20, 5,224.26 and 2,388.52

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Solution

The fourth proportional to 3,788.20, 5,224.26 and 2,388.52 is: 3,293.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.20 : 5,224.26 = 2,388.52 : x
  2. Step 2: Convert to fraction form
    3,788.20/5,224.26 = 2,388.52/x
  3. Step 3: Cross multiply
    3,788.20x = 5,224.26 × 2,388.52
  4. Step 4: Simplify right side
    3,788.20x = 12,478,249.50
  5. Step 5: Solve for x
    x = 12,478,249.50/3,788.20
  6. Step 6: Final answer
    x = 3,293.98

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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.