Home / 3,760.20-5,636.86-1,449.96

Finding the Fourth Proportional to 3,760.20, 5,636.86 and 1,449.96

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Solution

The fourth proportional to 3,760.20, 5,636.86 and 1,449.96 is: 2,173.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760.20 : 5,636.86 = 1,449.96 : x
  2. Step 2: Convert to fraction form
    3,760.20/5,636.86 = 1,449.96/x
  3. Step 3: Cross multiply
    3,760.20x = 5,636.86 × 1,449.96
  4. Step 4: Simplify right side
    3,760.20x = 8,173,221.53
  5. Step 5: Solve for x
    x = 8,173,221.53/3,760.20
  6. Step 6: Final answer
    x = 2,173.61

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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.