Home / 3,939.32-5,907.26-2,090.03

Finding the Fourth Proportional to 3,939.32, 5,907.26 and 2,090.03

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Solution

The fourth proportional to 3,939.32, 5,907.26 and 2,090.03 is: 3,134.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939.32 : 5,907.26 = 2,090.03 : x
  2. Step 2: Convert to fraction form
    3,939.32/5,907.26 = 2,090.03/x
  3. Step 3: Cross multiply
    3,939.32x = 5,907.26 × 2,090.03
  4. Step 4: Simplify right side
    3,939.32x = 12,346,326.31
  5. Step 5: Solve for x
    x = 12,346,326.31/3,939.32
  6. Step 6: Final answer
    x = 3,134.12

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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.