Home / 3,768.12-5,200.62-2,276.14

Finding the Fourth Proportional to 3,768.12, 5,200.62 and 2,276.14

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Solution

The fourth proportional to 3,768.12, 5,200.62 and 2,276.14 is: 3,141.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768.12 : 5,200.62 = 2,276.14 : x
  2. Step 2: Convert to fraction form
    3,768.12/5,200.62 = 2,276.14/x
  3. Step 3: Cross multiply
    3,768.12x = 5,200.62 × 2,276.14
  4. Step 4: Simplify right side
    3,768.12x = 11,837,339.21
  5. Step 5: Solve for x
    x = 11,837,339.21/3,768.12
  6. Step 6: Final answer
    x = 3,141.44

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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.