Home / 2,635.14-3,951.48-1,813.80

Finding the Fourth Proportional to 2,635.14, 3,951.48 and 1,813.80

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Solution

The fourth proportional to 2,635.14, 3,951.48 and 1,813.80 is: 2,719.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635.14 : 3,951.48 = 1,813.80 : x
  2. Step 2: Convert to fraction form
    2,635.14/3,951.48 = 1,813.80/x
  3. Step 3: Cross multiply
    2,635.14x = 3,951.48 × 1,813.80
  4. Step 4: Simplify right side
    2,635.14x = 7,167,194.42
  5. Step 5: Solve for x
    x = 7,167,194.42/2,635.14
  6. Step 6: Final answer
    x = 2,719.85

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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.