Home / 2,797.31-4,195.96-2,181.47

Finding the Fourth Proportional to 2,797.31, 4,195.96 and 2,181.47

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Solution

The fourth proportional to 2,797.31, 4,195.96 and 2,181.47 is: 3,272.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,797.31 : 4,195.96 = 2,181.47 : x
  2. Step 2: Convert to fraction form
    2,797.31/4,195.96 = 2,181.47/x
  3. Step 3: Cross multiply
    2,797.31x = 4,195.96 × 2,181.47
  4. Step 4: Simplify right side
    2,797.31x = 9,153,334.43
  5. Step 5: Solve for x
    x = 9,153,334.43/2,797.31
  6. Step 6: Final answer
    x = 3,272.19

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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.