Home / 3,972.35-5,480.96-2,293.65

Finding the Fourth Proportional to 3,972.35, 5,480.96 and 2,293.65

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Solution

The fourth proportional to 3,972.35, 5,480.96 and 2,293.65 is: 3,164.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.35 : 5,480.96 = 2,293.65 : x
  2. Step 2: Convert to fraction form
    3,972.35/5,480.96 = 2,293.65/x
  3. Step 3: Cross multiply
    3,972.35x = 5,480.96 × 2,293.65
  4. Step 4: Simplify right side
    3,972.35x = 12,571,403.90
  5. Step 5: Solve for x
    x = 12,571,403.90/3,972.35
  6. Step 6: Final answer
    x = 3,164.73

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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.