Home / 3,685.59-5,518.62-3,039.21

Finding the Fourth Proportional to 3,685.59, 5,518.62 and 3,039.21

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Solution

The fourth proportional to 3,685.59, 5,518.62 and 3,039.21 is: 4,550.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.59 : 5,518.62 = 3,039.21 : x
  2. Step 2: Convert to fraction form
    3,685.59/5,518.62 = 3,039.21/x
  3. Step 3: Cross multiply
    3,685.59x = 5,518.62 × 3,039.21
  4. Step 4: Simplify right side
    3,685.59x = 16,772,245.09
  5. Step 5: Solve for x
    x = 16,772,245.09/3,685.59
  6. Step 6: Final answer
    x = 4,550.76

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1.5x scale

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.