Home / 3,611.37-4,980.24-2,195.30

Finding the Fourth Proportional to 3,611.37, 4,980.24 and 2,195.30

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Solution

The fourth proportional to 3,611.37, 4,980.24 and 2,195.30 is: 3,027.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.37 : 4,980.24 = 2,195.30 : x
  2. Step 2: Convert to fraction form
    3,611.37/4,980.24 = 2,195.30/x
  3. Step 3: Cross multiply
    3,611.37x = 4,980.24 × 2,195.30
  4. Step 4: Simplify right side
    3,611.37x = 10,933,095.97
  5. Step 5: Solve for x
    x = 10,933,095.97/3,611.37
  6. Step 6: Final answer
    x = 3,027.41

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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.