Home / 2,149.44-3,240.75-2,136.12

Finding the Fourth Proportional to 2,149.44, 3,240.75 and 2,136.12

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Solution

The fourth proportional to 2,149.44, 3,240.75 and 2,136.12 is: 3,220.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149.44 : 3,240.75 = 2,136.12 : x
  2. Step 2: Convert to fraction form
    2,149.44/3,240.75 = 2,136.12/x
  3. Step 3: Cross multiply
    2,149.44x = 3,240.75 × 2,136.12
  4. Step 4: Simplify right side
    2,149.44x = 6,922,630.89
  5. Step 5: Solve for x
    x = 6,922,630.89/2,149.44
  6. Step 6: Final answer
    x = 3,220.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.