Home / 2,766.10-4,145.55-1,995.70

Finding the Fourth Proportional to 2,766.10, 4,145.55 and 1,995.70

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Solution

The fourth proportional to 2,766.10, 4,145.55 and 1,995.70 is: 2,990.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.10 : 4,145.55 = 1,995.70 : x
  2. Step 2: Convert to fraction form
    2,766.10/4,145.55 = 1,995.70/x
  3. Step 3: Cross multiply
    2,766.10x = 4,145.55 × 1,995.70
  4. Step 4: Simplify right side
    2,766.10x = 8,273,274.14
  5. Step 5: Solve for x
    x = 8,273,274.14/2,766.10
  6. Step 6: Final answer
    x = 2,990.95

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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.