Home / 3,581.70-5,373.32-1,241.78

Finding the Fourth Proportional to 3,581.70, 5,373.32 and 1,241.78

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Solution

The fourth proportional to 3,581.70, 5,373.32 and 1,241.78 is: 1,862.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.70 : 5,373.32 = 1,241.78 : x
  2. Step 2: Convert to fraction form
    3,581.70/5,373.32 = 1,241.78/x
  3. Step 3: Cross multiply
    3,581.70x = 5,373.32 × 1,241.78
  4. Step 4: Simplify right side
    3,581.70x = 6,672,485.44
  5. Step 5: Solve for x
    x = 6,672,485.44/3,581.70
  6. Step 6: Final answer
    x = 1,862.94

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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.