Home / 3,739.32-5,160.26-2,168.32

Finding the Fourth Proportional to 3,739.32, 5,160.26 and 2,168.32

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Solution

The fourth proportional to 3,739.32, 5,160.26 and 2,168.32 is: 2,992.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.32 : 5,160.26 = 2,168.32 : x
  2. Step 2: Convert to fraction form
    3,739.32/5,160.26 = 2,168.32/x
  3. Step 3: Cross multiply
    3,739.32x = 5,160.26 × 2,168.32
  4. Step 4: Simplify right side
    3,739.32x = 11,189,094.96
  5. Step 5: Solve for x
    x = 11,189,094.96/3,739.32
  6. Step 6: Final answer
    x = 2,992.28

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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.