Home / 2,775.23-3,825.50-2,065.95

Finding the Fourth Proportional to 2,775.23, 3,825.50 and 2,065.95

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Solution

The fourth proportional to 2,775.23, 3,825.50 and 2,065.95 is: 2,847.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.23 : 3,825.50 = 2,065.95 : x
  2. Step 2: Convert to fraction form
    2,775.23/3,825.50 = 2,065.95/x
  3. Step 3: Cross multiply
    2,775.23x = 3,825.50 × 2,065.95
  4. Step 4: Simplify right side
    2,775.23x = 7,903,274.23
  5. Step 5: Solve for x
    x = 7,903,274.23/2,775.23
  6. Step 6: Final answer
    x = 2,847.79

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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.