Home / 3,531.73-4,873.27-2,115.09

Finding the Fourth Proportional to 3,531.73, 4,873.27 and 2,115.09

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Solution

The fourth proportional to 3,531.73, 4,873.27 and 2,115.09 is: 2,918.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.73 : 4,873.27 = 2,115.09 : x
  2. Step 2: Convert to fraction form
    3,531.73/4,873.27 = 2,115.09/x
  3. Step 3: Cross multiply
    3,531.73x = 4,873.27 × 2,115.09
  4. Step 4: Simplify right side
    3,531.73x = 10,307,404.64
  5. Step 5: Solve for x
    x = 10,307,404.64/3,531.73
  6. Step 6: Final answer
    x = 2,918.51

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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.