Home / 2,672.97-4,004.01-2,181.13

Finding the Fourth Proportional to 2,672.97, 4,004.01 and 2,181.13

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Solution

The fourth proportional to 2,672.97, 4,004.01 and 2,181.13 is: 3,267.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672.97 : 4,004.01 = 2,181.13 : x
  2. Step 2: Convert to fraction form
    2,672.97/4,004.01 = 2,181.13/x
  3. Step 3: Cross multiply
    2,672.97x = 4,004.01 × 2,181.13
  4. Step 4: Simplify right side
    2,672.97x = 8,733,266.33
  5. Step 5: Solve for x
    x = 8,733,266.33/2,672.97
  6. Step 6: Final answer
    x = 3,267.25

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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.