Home / 3,739.22-5,159.98-2,167.32

Finding the Fourth Proportional to 3,739.22, 5,159.98 and 2,167.32

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Solution

The fourth proportional to 3,739.22, 5,159.98 and 2,167.32 is: 2,990.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.22 : 5,159.98 = 2,167.32 : x
  2. Step 2: Convert to fraction form
    3,739.22/5,159.98 = 2,167.32/x
  3. Step 3: Cross multiply
    3,739.22x = 5,159.98 × 2,167.32
  4. Step 4: Simplify right side
    3,739.22x = 11,183,311.21
  5. Step 5: Solve for x
    x = 11,183,311.21/3,739.22
  6. Step 6: Final answer
    x = 2,990.81

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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.