Home / 3,375.10-5,054.55-1,641.70

Finding the Fourth Proportional to 3,375.10, 5,054.55 and 1,641.70

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Solution

The fourth proportional to 3,375.10, 5,054.55 and 1,641.70 is: 2,458.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.10 : 5,054.55 = 1,641.70 : x
  2. Step 2: Convert to fraction form
    3,375.10/5,054.55 = 1,641.70/x
  3. Step 3: Cross multiply
    3,375.10x = 5,054.55 × 1,641.70
  4. Step 4: Simplify right side
    3,375.10x = 8,298,054.74
  5. Step 5: Solve for x
    x = 8,298,054.74/3,375.10
  6. Step 6: Final answer
    x = 2,458.61

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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.