Home / 3,971.45-5,480.84-2,293.16

Finding the Fourth Proportional to 3,971.45, 5,480.84 and 2,293.16

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Solution

The fourth proportional to 3,971.45, 5,480.84 and 2,293.16 is: 3,164.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971.45 : 5,480.84 = 2,293.16 : x
  2. Step 2: Convert to fraction form
    3,971.45/5,480.84 = 2,293.16/x
  3. Step 3: Cross multiply
    3,971.45x = 5,480.84 × 2,293.16
  4. Step 4: Simplify right side
    3,971.45x = 12,568,441.94
  5. Step 5: Solve for x
    x = 12,568,441.94/3,971.45
  6. Step 6: Final answer
    x = 3,164.70

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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.