Home / 3,505.81-5,235.99-3,176.09

Finding the Fourth Proportional to 3,505.81, 5,235.99 and 3,176.09

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Solution

The fourth proportional to 3,505.81, 5,235.99 and 3,176.09 is: 4,743.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.81 : 5,235.99 = 3,176.09 : x
  2. Step 2: Convert to fraction form
    3,505.81/5,235.99 = 3,176.09/x
  3. Step 3: Cross multiply
    3,505.81x = 5,235.99 × 3,176.09
  4. Step 4: Simplify right side
    3,505.81x = 16,629,975.48
  5. Step 5: Solve for x
    x = 16,629,975.48/3,505.81
  6. Step 6: Final answer
    x = 4,743.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.