Home / 2,620.86-3,613.26-2,246.22

Finding the Fourth Proportional to 2,620.86, 3,613.26 and 2,246.22

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Solution

The fourth proportional to 2,620.86, 3,613.26 and 2,246.22 is: 3,096.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620.86 : 3,613.26 = 2,246.22 : x
  2. Step 2: Convert to fraction form
    2,620.86/3,613.26 = 2,246.22/x
  3. Step 3: Cross multiply
    2,620.86x = 3,613.26 × 2,246.22
  4. Step 4: Simplify right side
    2,620.86x = 8,116,176.88
  5. Step 5: Solve for x
    x = 8,116,176.88/2,620.86
  6. Step 6: Final answer
    x = 3,096.76

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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.