Home / 2,766.12-4,145.94-1,794.12

Finding the Fourth Proportional to 2,766.12, 4,145.94 and 1,794.12

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Solution

The fourth proportional to 2,766.12, 4,145.94 and 1,794.12 is: 2,689.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.12 : 4,145.94 = 1,794.12 : x
  2. Step 2: Convert to fraction form
    2,766.12/4,145.94 = 1,794.12/x
  3. Step 3: Cross multiply
    2,766.12x = 4,145.94 × 1,794.12
  4. Step 4: Simplify right side
    2,766.12x = 7,438,313.87
  5. Step 5: Solve for x
    x = 7,438,313.87/2,766.12
  6. Step 6: Final answer
    x = 2,689.08

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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.