Home / 2,758.02-3,800.70-2,286.60

Finding the Fourth Proportional to 2,758.02, 3,800.70 and 2,286.60

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Solution

The fourth proportional to 2,758.02, 3,800.70 and 2,286.60 is: 3,151.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758.02 : 3,800.70 = 2,286.60 : x
  2. Step 2: Convert to fraction form
    2,758.02/3,800.70 = 2,286.60/x
  3. Step 3: Cross multiply
    2,758.02x = 3,800.70 × 2,286.60
  4. Step 4: Simplify right side
    2,758.02x = 8,690,680.62
  5. Step 5: Solve for x
    x = 8,690,680.62/2,758.02
  6. Step 6: Final answer
    x = 3,151.06

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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.