Home / 3,850.23-5,771.87-1,384.47

Finding the Fourth Proportional to 3,850.23, 5,771.87 and 1,384.47

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Solution

The fourth proportional to 3,850.23, 5,771.87 and 1,384.47 is: 2,075.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850.23 : 5,771.87 = 1,384.47 : x
  2. Step 2: Convert to fraction form
    3,850.23/5,771.87 = 1,384.47/x
  3. Step 3: Cross multiply
    3,850.23x = 5,771.87 × 1,384.47
  4. Step 4: Simplify right side
    3,850.23x = 7,990,980.86
  5. Step 5: Solve for x
    x = 7,990,980.86/3,850.23
  6. Step 6: Final answer
    x = 2,075.46

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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.