Home / 2,760.12-4,136.94-1,786.77

Finding the Fourth Proportional to 2,760.12, 4,136.94 and 1,786.77

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Solution

The fourth proportional to 2,760.12, 4,136.94 and 1,786.77 is: 2,678.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.12 : 4,136.94 = 1,786.77 : x
  2. Step 2: Convert to fraction form
    2,760.12/4,136.94 = 1,786.77/x
  3. Step 3: Cross multiply
    2,760.12x = 4,136.94 × 1,786.77
  4. Step 4: Simplify right side
    2,760.12x = 7,391,760.28
  5. Step 5: Solve for x
    x = 7,391,760.28/2,760.12
  6. Step 6: Final answer
    x = 2,678.06

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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.