Home / 3,375.40-5,060.46-1,643.56

Finding the Fourth Proportional to 3,375.40, 5,060.46 and 1,643.56

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Solution

The fourth proportional to 3,375.40, 5,060.46 and 1,643.56 is: 2,464.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.40 : 5,060.46 = 1,643.56 : x
  2. Step 2: Convert to fraction form
    3,375.40/5,060.46 = 1,643.56/x
  3. Step 3: Cross multiply
    3,375.40x = 5,060.46 × 1,643.56
  4. Step 4: Simplify right side
    3,375.40x = 8,317,169.64
  5. Step 5: Solve for x
    x = 8,317,169.64/3,375.40
  6. Step 6: Final answer
    x = 2,464.05

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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.