Home / 2,760.96-4,136.76-2,659.80

Finding the Fourth Proportional to 2,760.96, 4,136.76 and 2,659.80

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Solution

The fourth proportional to 2,760.96, 4,136.76 and 2,659.80 is: 3,985.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.96 : 4,136.76 = 2,659.80 : x
  2. Step 2: Convert to fraction form
    2,760.96/4,136.76 = 2,659.80/x
  3. Step 3: Cross multiply
    2,760.96x = 4,136.76 × 2,659.80
  4. Step 4: Simplify right side
    2,760.96x = 11,002,954.25
  5. Step 5: Solve for x
    x = 11,002,954.25/2,760.96
  6. Step 6: Final answer
    x = 3,985.19

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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.