Home / 3,830.71-5,748.92-2,845.80

Finding the Fourth Proportional to 3,830.71, 5,748.92 and 2,845.80

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Solution

The fourth proportional to 3,830.71, 5,748.92 and 2,845.80 is: 4,270.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830.71 : 5,748.92 = 2,845.80 : x
  2. Step 2: Convert to fraction form
    3,830.71/5,748.92 = 2,845.80/x
  3. Step 3: Cross multiply
    3,830.71x = 5,748.92 × 2,845.80
  4. Step 4: Simplify right side
    3,830.71x = 16,360,288.99
  5. Step 5: Solve for x
    x = 16,360,288.99/3,830.71
  6. Step 6: Final answer
    x = 4,270.82

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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.