Home / 3,895.44-5,375.84-2,402.51

Finding the Fourth Proportional to 3,895.44, 5,375.84 and 2,402.51

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Solution

The fourth proportional to 3,895.44, 5,375.84 and 2,402.51 is: 3,315.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.44 : 5,375.84 = 2,402.51 : x
  2. Step 2: Convert to fraction form
    3,895.44/5,375.84 = 2,402.51/x
  3. Step 3: Cross multiply
    3,895.44x = 5,375.84 × 2,402.51
  4. Step 4: Simplify right side
    3,895.44x = 12,915,520.98
  5. Step 5: Solve for x
    x = 12,915,520.98/3,895.44
  6. Step 6: Final answer
    x = 3,315.55

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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.