Home / 2,872.44-3,954.24-2,577.60

Finding the Fourth Proportional to 2,872.44, 3,954.24 and 2,577.60

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Solution

The fourth proportional to 2,872.44, 3,954.24 and 2,577.60 is: 3,548.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872.44 : 3,954.24 = 2,577.60 : x
  2. Step 2: Convert to fraction form
    2,872.44/3,954.24 = 2,577.60/x
  3. Step 3: Cross multiply
    2,872.44x = 3,954.24 × 2,577.60
  4. Step 4: Simplify right side
    2,872.44x = 10,192,449.02
  5. Step 5: Solve for x
    x = 10,192,449.02/2,872.44
  6. Step 6: Final answer
    x = 3,548.36

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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.