Home / 3,743.96-5,165.44-2,171.48

Finding the Fourth Proportional to 3,743.96, 5,165.44 and 2,171.48

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Solution

The fourth proportional to 3,743.96, 5,165.44 and 2,171.48 is: 2,995.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.96 : 5,165.44 = 2,171.48 : x
  2. Step 2: Convert to fraction form
    3,743.96/5,165.44 = 2,171.48/x
  3. Step 3: Cross multiply
    3,743.96x = 5,165.44 × 2,171.48
  4. Step 4: Simplify right side
    3,743.96x = 11,216,649.65
  5. Step 5: Solve for x
    x = 11,216,649.65/3,743.96
  6. Step 6: Final answer
    x = 2,995.93

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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.