Home / 3,850.18-5,775.82-1,218.44

Finding the Fourth Proportional to 3,850.18, 5,775.82 and 1,218.44

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Solution

The fourth proportional to 3,850.18, 5,775.82 and 1,218.44 is: 1,827.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850.18 : 5,775.82 = 1,218.44 : x
  2. Step 2: Convert to fraction form
    3,850.18/5,775.82 = 1,218.44/x
  3. Step 3: Cross multiply
    3,850.18x = 5,775.82 × 1,218.44
  4. Step 4: Simplify right side
    3,850.18x = 7,037,489.18
  5. Step 5: Solve for x
    x = 7,037,489.18/3,850.18
  6. Step 6: Final answer
    x = 1,827.83

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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.