Home / 3,627.58-5,005.96-2,115.04

Finding the Fourth Proportional to 3,627.58, 5,005.96 and 2,115.04

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Solution

The fourth proportional to 3,627.58, 5,005.96 and 2,115.04 is: 2,918.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,627.58 : 5,005.96 = 2,115.04 : x
  2. Step 2: Convert to fraction form
    3,627.58/5,005.96 = 2,115.04/x
  3. Step 3: Cross multiply
    3,627.58x = 5,005.96 × 2,115.04
  4. Step 4: Simplify right side
    3,627.58x = 10,587,805.64
  5. Step 5: Solve for x
    x = 10,587,805.64/3,627.58
  6. Step 6: Final answer
    x = 2,918.70

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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.