Home / 3,934.77-5,431.46-2,608.92

Finding the Fourth Proportional to 3,934.77, 5,431.46 and 2,608.92

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Solution

The fourth proportional to 3,934.77, 5,431.46 and 2,608.92 is: 3,601.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.77 : 5,431.46 = 2,608.92 : x
  2. Step 2: Convert to fraction form
    3,934.77/5,431.46 = 2,608.92/x
  3. Step 3: Cross multiply
    3,934.77x = 5,431.46 × 2,608.92
  4. Step 4: Simplify right side
    3,934.77x = 14,170,231.58
  5. Step 5: Solve for x
    x = 14,170,231.58/3,934.77
  6. Step 6: Final answer
    x = 3,601.29

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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.