Home / 3,621.48-5,434.97-2,388.48

Finding the Fourth Proportional to 3,621.48, 5,434.97 and 2,388.48

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Solution

The fourth proportional to 3,621.48, 5,434.97 and 2,388.48 is: 3,584.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.48 : 5,434.97 = 2,388.48 : x
  2. Step 2: Convert to fraction form
    3,621.48/5,434.97 = 2,388.48/x
  3. Step 3: Cross multiply
    3,621.48x = 5,434.97 × 2,388.48
  4. Step 4: Simplify right side
    3,621.48x = 12,981,305.20
  5. Step 5: Solve for x
    x = 12,981,305.20/3,621.48
  6. Step 6: Final answer
    x = 3,584.53

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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.