Home / 3,850.64-5,774.68-1,253.04

Finding the Fourth Proportional to 3,850.64, 5,774.68 and 1,253.04

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Solution

The fourth proportional to 3,850.64, 5,774.68 and 1,253.04 is: 1,879.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850.64 : 5,774.68 = 1,253.04 : x
  2. Step 2: Convert to fraction form
    3,850.64/5,774.68 = 1,253.04/x
  3. Step 3: Cross multiply
    3,850.64x = 5,774.68 × 1,253.04
  4. Step 4: Simplify right side
    3,850.64x = 7,235,905.03
  5. Step 5: Solve for x
    x = 7,235,905.03/3,850.64
  6. Step 6: Final answer
    x = 1,879.14

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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.