Home / 3,620.22-4,992.60-3,061.86

Finding the Fourth Proportional to 3,620.22, 4,992.60 and 3,061.86

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Solution

The fourth proportional to 3,620.22, 4,992.60 and 3,061.86 is: 4,222.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.22 : 4,992.60 = 3,061.86 : x
  2. Step 2: Convert to fraction form
    3,620.22/4,992.60 = 3,061.86/x
  3. Step 3: Cross multiply
    3,620.22x = 4,992.60 × 3,061.86
  4. Step 4: Simplify right side
    3,620.22x = 15,286,642.24
  5. Step 5: Solve for x
    x = 15,286,642.24/3,620.22
  6. Step 6: Final answer
    x = 4,222.57

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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.