Home / 3,400.35-5,105.21-1,758.03

Finding the Fourth Proportional to 3,400.35, 5,105.21 and 1,758.03

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Solution

The fourth proportional to 3,400.35, 5,105.21 and 1,758.03 is: 2,639.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.35 : 5,105.21 = 1,758.03 : x
  2. Step 2: Convert to fraction form
    3,400.35/5,105.21 = 1,758.03/x
  3. Step 3: Cross multiply
    3,400.35x = 5,105.21 × 1,758.03
  4. Step 4: Simplify right side
    3,400.35x = 8,975,103.55
  5. Step 5: Solve for x
    x = 8,975,103.55/3,400.35
  6. Step 6: Final answer
    x = 2,639.46

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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.