Home / 3,619.22-4,991.22-3,060.86

Finding the Fourth Proportional to 3,619.22, 4,991.22 and 3,060.86

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Solution

The fourth proportional to 3,619.22, 4,991.22 and 3,060.86 is: 4,221.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.22 : 4,991.22 = 3,060.86 : x
  2. Step 2: Convert to fraction form
    3,619.22/4,991.22 = 3,060.86/x
  3. Step 3: Cross multiply
    3,619.22x = 4,991.22 × 3,060.86
  4. Step 4: Simplify right side
    3,619.22x = 15,277,400.69
  5. Step 5: Solve for x
    x = 15,277,400.69/3,619.22
  6. Step 6: Final answer
    x = 4,221.19

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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.