Home / 3,168.96-4,376.07-2,381.64

Finding the Fourth Proportional to 3,168.96, 4,376.07 and 2,381.64

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Solution

The fourth proportional to 3,168.96, 4,376.07 and 2,381.64 is: 3,288.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.96 : 4,376.07 = 2,381.64 : x
  2. Step 2: Convert to fraction form
    3,168.96/4,376.07 = 2,381.64/x
  3. Step 3: Cross multiply
    3,168.96x = 4,376.07 × 2,381.64
  4. Step 4: Simplify right side
    3,168.96x = 10,422,223.35
  5. Step 5: Solve for x
    x = 10,422,223.35/3,168.96
  6. Step 6: Final answer
    x = 3,288.85

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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.