Home / 2,175.60-3,257.10-1,657.62

Finding the Fourth Proportional to 2,175.60, 3,257.10 and 1,657.62

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Solution

The fourth proportional to 2,175.60, 3,257.10 and 1,657.62 is: 2,481.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175.60 : 3,257.10 = 1,657.62 : x
  2. Step 2: Convert to fraction form
    2,175.60/3,257.10 = 1,657.62/x
  3. Step 3: Cross multiply
    2,175.60x = 3,257.10 × 1,657.62
  4. Step 4: Simplify right side
    2,175.60x = 5,399,034.10
  5. Step 5: Solve for x
    x = 5,399,034.10/2,175.60
  6. Step 6: Final answer
    x = 2,481.63

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1.5x scale

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.