Home / 3,617.08-5,425.62-2,891.26

Finding the Fourth Proportional to 3,617.08, 5,425.62 and 2,891.26

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Solution

The fourth proportional to 3,617.08, 5,425.62 and 2,891.26 is: 4,336.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.08 : 5,425.62 = 2,891.26 : x
  2. Step 2: Convert to fraction form
    3,617.08/5,425.62 = 2,891.26/x
  3. Step 3: Cross multiply
    3,617.08x = 5,425.62 × 2,891.26
  4. Step 4: Simplify right side
    3,617.08x = 15,686,878.08
  5. Step 5: Solve for x
    x = 15,686,878.08/3,617.08
  6. Step 6: Final answer
    x = 4,336.89

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Similar ratio
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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.