Home / 3,768.99-5,201.34-2,276.61

Finding the Fourth Proportional to 3,768.99, 5,201.34 and 2,276.61

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Solution

The fourth proportional to 3,768.99, 5,201.34 and 2,276.61 is: 3,141.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768.99 : 5,201.34 = 2,276.61 : x
  2. Step 2: Convert to fraction form
    3,768.99/5,201.34 = 2,276.61/x
  3. Step 3: Cross multiply
    3,768.99x = 5,201.34 × 2,276.61
  4. Step 4: Simplify right side
    3,768.99x = 11,841,422.66
  5. Step 5: Solve for x
    x = 11,841,422.66/3,768.99
  6. Step 6: Final answer
    x = 3,141.80

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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.