Home / 3,634.35-5,015.40-2,142.27

Finding the Fourth Proportional to 3,634.35, 5,015.40 and 2,142.27

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Solution

The fourth proportional to 3,634.35, 5,015.40 and 2,142.27 is: 2,956.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,634.35 : 5,015.40 = 2,142.27 : x
  2. Step 2: Convert to fraction form
    3,634.35/5,015.40 = 2,142.27/x
  3. Step 3: Cross multiply
    3,634.35x = 5,015.40 × 2,142.27
  4. Step 4: Simplify right side
    3,634.35x = 10,744,340.96
  5. Step 5: Solve for x
    x = 10,744,340.96/3,634.35
  6. Step 6: Final answer
    x = 2,956.33

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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.