Home / 3,627.21-5,440.86-1,162.20

Finding the Fourth Proportional to 3,627.21, 5,440.86 and 1,162.20

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Solution

The fourth proportional to 3,627.21, 5,440.86 and 1,162.20 is: 1,743.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,627.21 : 5,440.86 = 1,162.20 : x
  2. Step 2: Convert to fraction form
    3,627.21/5,440.86 = 1,162.20/x
  3. Step 3: Cross multiply
    3,627.21x = 5,440.86 × 1,162.20
  4. Step 4: Simplify right side
    3,627.21x = 6,323,367.49
  5. Step 5: Solve for x
    x = 6,323,367.49/3,627.21
  6. Step 6: Final answer
    x = 1,743.31

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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.