Home / 1,910.24-2,868.57-1,668.86

Finding the Fourth Proportional to 1,910.24, 2,868.57 and 1,668.86

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Solution

The fourth proportional to 1,910.24, 2,868.57 and 1,668.86 is: 2,506.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910.24 : 2,868.57 = 1,668.86 : x
  2. Step 2: Convert to fraction form
    1,910.24/2,868.57 = 1,668.86/x
  3. Step 3: Cross multiply
    1,910.24x = 2,868.57 × 1,668.86
  4. Step 4: Simplify right side
    1,910.24x = 4,787,241.73
  5. Step 5: Solve for x
    x = 4,787,241.73/1,910.24
  6. Step 6: Final answer
    x = 2,506.09

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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.