Home / 3,375.96-5,060.48-1,618.40

Finding the Fourth Proportional to 3,375.96, 5,060.48 and 1,618.40

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Solution

The fourth proportional to 3,375.96, 5,060.48 and 1,618.40 is: 2,425.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.96 : 5,060.48 = 1,618.40 : x
  2. Step 2: Convert to fraction form
    3,375.96/5,060.48 = 1,618.40/x
  3. Step 3: Cross multiply
    3,375.96x = 5,060.48 × 1,618.40
  4. Step 4: Simplify right side
    3,375.96x = 8,189,847.44
  5. Step 5: Solve for x
    x = 8,189,847.44/3,375.96
  6. Step 6: Final answer
    x = 2,425.93

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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.