Home / 2,181.52-3,272.31-2,012.25

Finding the Fourth Proportional to 2,181.52, 3,272.31 and 2,012.25

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Solution

The fourth proportional to 2,181.52, 3,272.31 and 2,012.25 is: 3,018.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181.52 : 3,272.31 = 2,012.25 : x
  2. Step 2: Convert to fraction form
    2,181.52/3,272.31 = 2,012.25/x
  3. Step 3: Cross multiply
    2,181.52x = 3,272.31 × 2,012.25
  4. Step 4: Simplify right side
    2,181.52x = 6,584,705.80
  5. Step 5: Solve for x
    x = 6,584,705.80/2,181.52
  6. Step 6: Final answer
    x = 3,018.40

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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.