Home / 3,633.60-5,016.77-2,792.78

Finding the Fourth Proportional to 3,633.60, 5,016.77 and 2,792.78

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Solution

The fourth proportional to 3,633.60, 5,016.77 and 2,792.78 is: 3,855.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,633.60 : 5,016.77 = 2,792.78 : x
  2. Step 2: Convert to fraction form
    3,633.60/5,016.77 = 2,792.78/x
  3. Step 3: Cross multiply
    3,633.60x = 5,016.77 × 2,792.78
  4. Step 4: Simplify right side
    3,633.60x = 14,010,734.92
  5. Step 5: Solve for x
    x = 14,010,734.92/3,633.60
  6. Step 6: Final answer
    x = 3,855.88

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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.