Home / 3,895.60-5,375.76-2,323.60

Finding the Fourth Proportional to 3,895.60, 5,375.76 and 2,323.60

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Solution

The fourth proportional to 3,895.60, 5,375.76 and 2,323.60 is: 3,206.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.60 : 5,375.76 = 2,323.60 : x
  2. Step 2: Convert to fraction form
    3,895.60/5,375.76 = 2,323.60/x
  3. Step 3: Cross multiply
    3,895.60x = 5,375.76 × 2,323.60
  4. Step 4: Simplify right side
    3,895.60x = 12,491,115.94
  5. Step 5: Solve for x
    x = 12,491,115.94/3,895.60
  6. Step 6: Final answer
    x = 3,206.47

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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.