Home / 3,928.20-5,890.68-2,348.52

Finding the Fourth Proportional to 3,928.20, 5,890.68 and 2,348.52

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Solution

The fourth proportional to 3,928.20, 5,890.68 and 2,348.52 is: 3,521.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928.20 : 5,890.68 = 2,348.52 : x
  2. Step 2: Convert to fraction form
    3,928.20/5,890.68 = 2,348.52/x
  3. Step 3: Cross multiply
    3,928.20x = 5,890.68 × 2,348.52
  4. Step 4: Simplify right side
    3,928.20x = 13,834,379.79
  5. Step 5: Solve for x
    x = 13,834,379.79/3,928.20
  6. Step 6: Final answer
    x = 3,521.81

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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.