Home / 2,575.38-3,861.42-1,696.86

Finding the Fourth Proportional to 2,575.38, 3,861.42 and 1,696.86

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Solution

The fourth proportional to 2,575.38, 3,861.42 and 1,696.86 is: 2,544.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.38 : 3,861.42 = 1,696.86 : x
  2. Step 2: Convert to fraction form
    2,575.38/3,861.42 = 1,696.86/x
  3. Step 3: Cross multiply
    2,575.38x = 3,861.42 × 1,696.86
  4. Step 4: Simplify right side
    2,575.38x = 6,552,289.14
  5. Step 5: Solve for x
    x = 6,552,289.14/2,575.38
  6. Step 6: Final answer
    x = 2,544.20

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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.