Home / 3,633.92-5,015.18-2,142.32

Finding the Fourth Proportional to 3,633.92, 5,015.18 and 2,142.32

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Solution

The fourth proportional to 3,633.92, 5,015.18 and 2,142.32 is: 2,956.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,633.92 : 5,015.18 = 2,142.32 : x
  2. Step 2: Convert to fraction form
    3,633.92/5,015.18 = 2,142.32/x
  3. Step 3: Cross multiply
    3,633.92x = 5,015.18 × 2,142.32
  4. Step 4: Simplify right side
    3,633.92x = 10,744,084.63
  5. Step 5: Solve for x
    x = 10,744,084.63/3,633.92
  6. Step 6: Final answer
    x = 2,956.61

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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.