Home / 2,760.33-4,136.45-2,176.73

Finding the Fourth Proportional to 2,760.33, 4,136.45 and 2,176.73

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Solution

The fourth proportional to 2,760.33, 4,136.45 and 2,176.73 is: 3,261.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.33 : 4,136.45 = 2,176.73 : x
  2. Step 2: Convert to fraction form
    2,760.33/4,136.45 = 2,176.73/x
  3. Step 3: Cross multiply
    2,760.33x = 4,136.45 × 2,176.73
  4. Step 4: Simplify right side
    2,760.33x = 9,003,903.24
  5. Step 5: Solve for x
    x = 9,003,903.24/2,760.33
  6. Step 6: Final answer
    x = 3,261.89

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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.