Home / 3,869.67-5,790.62-3,351.44

Finding the Fourth Proportional to 3,869.67, 5,790.62 and 3,351.44

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Solution

The fourth proportional to 3,869.67, 5,790.62 and 3,351.44 is: 5,015.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,869.67 : 5,790.62 = 3,351.44 : x
  2. Step 2: Convert to fraction form
    3,869.67/5,790.62 = 3,351.44/x
  3. Step 3: Cross multiply
    3,869.67x = 5,790.62 × 3,351.44
  4. Step 4: Simplify right side
    3,869.67x = 19,406,869.78
  5. Step 5: Solve for x
    x = 19,406,869.78/3,869.67
  6. Step 6: Final answer
    x = 5,015.12

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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.