Home / 3,914.32-5,868.96-2,180.56

Finding the Fourth Proportional to 3,914.32, 5,868.96 and 2,180.56

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Solution

The fourth proportional to 3,914.32, 5,868.96 and 2,180.56 is: 3,269.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.32 : 5,868.96 = 2,180.56 : x
  2. Step 2: Convert to fraction form
    3,914.32/5,868.96 = 2,180.56/x
  3. Step 3: Cross multiply
    3,914.32x = 5,868.96 × 2,180.56
  4. Step 4: Simplify right side
    3,914.32x = 12,797,619.42
  5. Step 5: Solve for x
    x = 12,797,619.42/3,914.32
  6. Step 6: Final answer
    x = 3,269.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.