Home / 3,712.26-5,568.40-1,631.78

Finding the Fourth Proportional to 3,712.26, 5,568.40 and 1,631.78

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Solution

The fourth proportional to 3,712.26, 5,568.40 and 1,631.78 is: 2,447.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.26 : 5,568.40 = 1,631.78 : x
  2. Step 2: Convert to fraction form
    3,712.26/5,568.40 = 1,631.78/x
  3. Step 3: Cross multiply
    3,712.26x = 5,568.40 × 1,631.78
  4. Step 4: Simplify right side
    3,712.26x = 9,086,403.75
  5. Step 5: Solve for x
    x = 9,086,403.75/3,712.26
  6. Step 6: Final answer
    x = 2,447.67

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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.