Home / 2,786.13-4,181.13-2,057.49

Finding the Fourth Proportional to 2,786.13, 4,181.13 and 2,057.49

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Solution

The fourth proportional to 2,786.13, 4,181.13 and 2,057.49 is: 3,087.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.13 : 4,181.13 = 2,057.49 : x
  2. Step 2: Convert to fraction form
    2,786.13/4,181.13 = 2,057.49/x
  3. Step 3: Cross multiply
    2,786.13x = 4,181.13 × 2,057.49
  4. Step 4: Simplify right side
    2,786.13x = 8,602,633.16
  5. Step 5: Solve for x
    x = 8,602,633.16/2,786.13
  6. Step 6: Final answer
    x = 3,087.66

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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.