Home / 2,175.45-3,265.43-1,080.60

Finding the Fourth Proportional to 2,175.45, 3,265.43 and 1,080.60

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Solution

The fourth proportional to 2,175.45, 3,265.43 and 1,080.60 is: 1,622.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175.45 : 3,265.43 = 1,080.60 : x
  2. Step 2: Convert to fraction form
    2,175.45/3,265.43 = 1,080.60/x
  3. Step 3: Cross multiply
    2,175.45x = 3,265.43 × 1,080.60
  4. Step 4: Simplify right side
    2,175.45x = 3,528,618.26
  5. Step 5: Solve for x
    x = 3,528,618.26/2,175.45
  6. Step 6: Final answer
    x = 1,622.02

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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.