Home / 3,841.42-5,762.70-1,375.66

Finding the Fourth Proportional to 3,841.42, 5,762.70 and 1,375.66

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Solution

The fourth proportional to 3,841.42, 5,762.70 and 1,375.66 is: 2,063.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,841.42 : 5,762.70 = 1,375.66 : x
  2. Step 2: Convert to fraction form
    3,841.42/5,762.70 = 1,375.66/x
  3. Step 3: Cross multiply
    3,841.42x = 5,762.70 × 1,375.66
  4. Step 4: Simplify right side
    3,841.42x = 7,927,515.88
  5. Step 5: Solve for x
    x = 7,927,515.88/3,841.42
  6. Step 6: Final answer
    x = 2,063.69

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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.