Home / 3,613.76-5,416.44-2,380.88

Finding the Fourth Proportional to 3,613.76, 5,416.44 and 2,380.88

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Solution

The fourth proportional to 3,613.76, 5,416.44 and 2,380.88 is: 3,568.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.76 : 5,416.44 = 2,380.88 : x
  2. Step 2: Convert to fraction form
    3,613.76/5,416.44 = 2,380.88/x
  3. Step 3: Cross multiply
    3,613.76x = 5,416.44 × 2,380.88
  4. Step 4: Simplify right side
    3,613.76x = 12,895,893.67
  5. Step 5: Solve for x
    x = 12,895,893.67/3,613.76
  6. Step 6: Final answer
    x = 3,568.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.