Home / 3,761.19-5,189.13-2,268

Finding the Fourth Proportional to 3,761.19, 5,189.13 and 2,268

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Solution

The fourth proportional to 3,761.19, 5,189.13 and 2,268 is: 3,129.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.19 : 5,189.13 = 2,268 : x
  2. Step 2: Convert to fraction form
    3,761.19/5,189.13 = 2,268/x
  3. Step 3: Cross multiply
    3,761.19x = 5,189.13 × 2,268
  4. Step 4: Simplify right side
    3,761.19x = 11,768,946.84
  5. Step 5: Solve for x
    x = 11,768,946.84/3,761.19
  6. Step 6: Final answer
    x = 3,129.05

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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.