Home / 3,835.53-5,748.78-2,193.21

Finding the Fourth Proportional to 3,835.53, 5,748.78 and 2,193.21

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Solution

The fourth proportional to 3,835.53, 5,748.78 and 2,193.21 is: 3,287.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,835.53 : 5,748.78 = 2,193.21 : x
  2. Step 2: Convert to fraction form
    3,835.53/5,748.78 = 2,193.21/x
  3. Step 3: Cross multiply
    3,835.53x = 5,748.78 × 2,193.21
  4. Step 4: Simplify right side
    3,835.53x = 12,608,281.78
  5. Step 5: Solve for x
    x = 12,608,281.78/3,835.53
  6. Step 6: Final answer
    x = 3,287.23

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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.