Home / 3,939.39-5,907.26-1,474.16

Finding the Fourth Proportional to 3,939.39, 5,907.26 and 1,474.16

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Solution

The fourth proportional to 3,939.39, 5,907.26 and 1,474.16 is: 2,210.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939.39 : 5,907.26 = 1,474.16 : x
  2. Step 2: Convert to fraction form
    3,939.39/5,907.26 = 1,474.16/x
  3. Step 3: Cross multiply
    3,939.39x = 5,907.26 × 1,474.16
  4. Step 4: Simplify right side
    3,939.39x = 8,708,220.55
  5. Step 5: Solve for x
    x = 8,708,220.55/3,939.39
  6. Step 6: Final answer
    x = 2,210.55

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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.