Home / 3,895.68-5,837.84-2,505.72

Finding the Fourth Proportional to 3,895.68, 5,837.84 and 2,505.72

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Solution

The fourth proportional to 3,895.68, 5,837.84 and 2,505.72 is: 3,754.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.68 : 5,837.84 = 2,505.72 : x
  2. Step 2: Convert to fraction form
    3,895.68/5,837.84 = 2,505.72/x
  3. Step 3: Cross multiply
    3,895.68x = 5,837.84 × 2,505.72
  4. Step 4: Simplify right side
    3,895.68x = 14,627,992.44
  5. Step 5: Solve for x
    x = 14,627,992.44/3,895.68
  6. Step 6: Final answer
    x = 3,754.93

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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.