Home / 2,577.08-3,863.31-1,115.73

Finding the Fourth Proportional to 2,577.08, 3,863.31 and 1,115.73

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Solution

The fourth proportional to 2,577.08, 3,863.31 and 1,115.73 is: 1,672.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,577.08 : 3,863.31 = 1,115.73 : x
  2. Step 2: Convert to fraction form
    2,577.08/3,863.31 = 1,115.73/x
  3. Step 3: Cross multiply
    2,577.08x = 3,863.31 × 1,115.73
  4. Step 4: Simplify right side
    2,577.08x = 4,310,410.87
  5. Step 5: Solve for x
    x = 4,310,410.87/2,577.08
  6. Step 6: Final answer
    x = 1,672.60

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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.