Home / 3,568.96-5,355.60-1,377.88

Finding the Fourth Proportional to 3,568.96, 5,355.60 and 1,377.88

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Solution

The fourth proportional to 3,568.96, 5,355.60 and 1,377.88 is: 2,067.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,568.96 : 5,355.60 = 1,377.88 : x
  2. Step 2: Convert to fraction form
    3,568.96/5,355.60 = 1,377.88/x
  3. Step 3: Cross multiply
    3,568.96x = 5,355.60 × 1,377.88
  4. Step 4: Simplify right side
    3,568.96x = 7,379,374.13
  5. Step 5: Solve for x
    x = 7,379,374.13/3,568.96
  6. Step 6: Final answer
    x = 2,067.65

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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.