Home / 3,739.05-5,159.77-2,145.96

Finding the Fourth Proportional to 3,739.05, 5,159.77 and 2,145.96

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Solution

The fourth proportional to 3,739.05, 5,159.77 and 2,145.96 is: 2,961.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.05 : 5,159.77 = 2,145.96 : x
  2. Step 2: Convert to fraction form
    3,739.05/5,159.77 = 2,145.96/x
  3. Step 3: Cross multiply
    3,739.05x = 5,159.77 × 2,145.96
  4. Step 4: Simplify right side
    3,739.05x = 11,072,660.03
  5. Step 5: Solve for x
    x = 11,072,660.03/3,739.05
  6. Step 6: Final answer
    x = 2,961.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.