Home / 3,928.38-5,895.26-1,619.88

Finding the Fourth Proportional to 3,928.38, 5,895.26 and 1,619.88

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Solution

The fourth proportional to 3,928.38, 5,895.26 and 1,619.88 is: 2,430.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928.38 : 5,895.26 = 1,619.88 : x
  2. Step 2: Convert to fraction form
    3,928.38/5,895.26 = 1,619.88/x
  3. Step 3: Cross multiply
    3,928.38x = 5,895.26 × 1,619.88
  4. Step 4: Simplify right side
    3,928.38x = 9,549,613.77
  5. Step 5: Solve for x
    x = 9,549,613.77/3,928.38
  6. Step 6: Final answer
    x = 2,430.93

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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.