Home / 3,379.37-5,069.50-1,271.69

Finding the Fourth Proportional to 3,379.37, 5,069.50 and 1,271.69

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Solution

The fourth proportional to 3,379.37, 5,069.50 and 1,271.69 is: 1,907.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.37 : 5,069.50 = 1,271.69 : x
  2. Step 2: Convert to fraction form
    3,379.37/5,069.50 = 1,271.69/x
  3. Step 3: Cross multiply
    3,379.37x = 5,069.50 × 1,271.69
  4. Step 4: Simplify right side
    3,379.37x = 6,446,832.46
  5. Step 5: Solve for x
    x = 6,446,832.46/3,379.37
  6. Step 6: Final answer
    x = 1,907.70

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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.