Home / 3,805.08-5,251.92-2,609.52

Finding the Fourth Proportional to 3,805.08, 5,251.92 and 2,609.52

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Solution

The fourth proportional to 3,805.08, 5,251.92 and 2,609.52 is: 3,601.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805.08 : 5,251.92 = 2,609.52 : x
  2. Step 2: Convert to fraction form
    3,805.08/5,251.92 = 2,609.52/x
  3. Step 3: Cross multiply
    3,805.08x = 5,251.92 × 2,609.52
  4. Step 4: Simplify right side
    3,805.08x = 13,704,990.28
  5. Step 5: Solve for x
    x = 13,704,990.28/3,805.08
  6. Step 6: Final answer
    x = 3,601.76

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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.