Home / 3,261.62-4,495.74-2,080.64

Finding the Fourth Proportional to 3,261.62, 4,495.74 and 2,080.64

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Solution

The fourth proportional to 3,261.62, 4,495.74 and 2,080.64 is: 2,867.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.62 : 4,495.74 = 2,080.64 : x
  2. Step 2: Convert to fraction form
    3,261.62/4,495.74 = 2,080.64/x
  3. Step 3: Cross multiply
    3,261.62x = 4,495.74 × 2,080.64
  4. Step 4: Simplify right side
    3,261.62x = 9,354,016.47
  5. Step 5: Solve for x
    x = 9,354,016.47/3,261.62
  6. Step 6: Final answer
    x = 2,867.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.