Home / 3,813.19-5,261.96-2,134.32

Finding the Fourth Proportional to 3,813.19, 5,261.96 and 2,134.32

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Solution

The fourth proportional to 3,813.19, 5,261.96 and 2,134.32 is: 2,945.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,813.19 : 5,261.96 = 2,134.32 : x
  2. Step 2: Convert to fraction form
    3,813.19/5,261.96 = 2,134.32/x
  3. Step 3: Cross multiply
    3,813.19x = 5,261.96 × 2,134.32
  4. Step 4: Simplify right side
    3,813.19x = 11,230,692.07
  5. Step 5: Solve for x
    x = 11,230,692.07/3,813.19
  6. Step 6: Final answer
    x = 2,945.22

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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.