Home / 4,147.05-5,722.83-2,378.54

Finding the Fourth Proportional to 4,147.05, 5,722.83 and 2,378.54

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Solution

The fourth proportional to 4,147.05, 5,722.83 and 2,378.54 is: 3,282.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.05 : 5,722.83 = 2,378.54 : x
  2. Step 2: Convert to fraction form
    4,147.05/5,722.83 = 2,378.54/x
  3. Step 3: Cross multiply
    4,147.05x = 5,722.83 × 2,378.54
  4. Step 4: Simplify right side
    4,147.05x = 13,611,994.38
  5. Step 5: Solve for x
    x = 13,611,994.38/4,147.05
  6. Step 6: Final answer
    x = 3,282.33

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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.