Home / 2,760.68-3,808.08-2,013.73

Finding the Fourth Proportional to 2,760.68, 3,808.08 and 2,013.73

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Solution

The fourth proportional to 2,760.68, 3,808.08 and 2,013.73 is: 2,777.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.68 : 3,808.08 = 2,013.73 : x
  2. Step 2: Convert to fraction form
    2,760.68/3,808.08 = 2,013.73/x
  3. Step 3: Cross multiply
    2,760.68x = 3,808.08 × 2,013.73
  4. Step 4: Simplify right side
    2,760.68x = 7,668,435.42
  5. Step 5: Solve for x
    x = 7,668,435.42/2,760.68
  6. Step 6: Final answer
    x = 2,777.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.