Home / 3,649.54-5,037.42-3,231.26

Finding the Fourth Proportional to 3,649.54, 5,037.42 and 3,231.26

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Solution

The fourth proportional to 3,649.54, 5,037.42 and 3,231.26 is: 4,460.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649.54 : 5,037.42 = 3,231.26 : x
  2. Step 2: Convert to fraction form
    3,649.54/5,037.42 = 3,231.26/x
  3. Step 3: Cross multiply
    3,649.54x = 5,037.42 × 3,231.26
  4. Step 4: Simplify right side
    3,649.54x = 16,277,213.75
  5. Step 5: Solve for x
    x = 16,277,213.75/3,649.54
  6. Step 6: Final answer
    x = 4,460.07

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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.