Home / 3,656.14-5,476.34-2,091.75

Finding the Fourth Proportional to 3,656.14, 5,476.34 and 2,091.75

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Solution

The fourth proportional to 3,656.14, 5,476.34 and 2,091.75 is: 3,133.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,656.14 : 5,476.34 = 2,091.75 : x
  2. Step 2: Convert to fraction form
    3,656.14/5,476.34 = 2,091.75/x
  3. Step 3: Cross multiply
    3,656.14x = 5,476.34 × 2,091.75
  4. Step 4: Simplify right side
    3,656.14x = 11,455,134.20
  5. Step 5: Solve for x
    x = 11,455,134.20/3,656.14
  6. Step 6: Final answer
    x = 3,133.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.