Home / 3,928.68-5,895.27-1,589.76

Finding the Fourth Proportional to 3,928.68, 5,895.27 and 1,589.76

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Solution

The fourth proportional to 3,928.68, 5,895.27 and 1,589.76 is: 2,385.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928.68 : 5,895.27 = 1,589.76 : x
  2. Step 2: Convert to fraction form
    3,928.68/5,895.27 = 1,589.76/x
  3. Step 3: Cross multiply
    3,928.68x = 5,895.27 × 1,589.76
  4. Step 4: Simplify right side
    3,928.68x = 9,372,064.44
  5. Step 5: Solve for x
    x = 9,372,064.44/3,928.68
  6. Step 6: Final answer
    x = 2,385.55

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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.