Home / 3,927.58-5,419.93-2,249.15

Finding the Fourth Proportional to 3,927.58, 5,419.93 and 2,249.15

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Solution

The fourth proportional to 3,927.58, 5,419.93 and 2,249.15 is: 3,103.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.58 : 5,419.93 = 2,249.15 : x
  2. Step 2: Convert to fraction form
    3,927.58/5,419.93 = 2,249.15/x
  3. Step 3: Cross multiply
    3,927.58x = 5,419.93 × 2,249.15
  4. Step 4: Simplify right side
    3,927.58x = 12,190,235.56
  5. Step 5: Solve for x
    x = 12,190,235.56/3,927.58
  6. Step 6: Final answer
    x = 3,103.75

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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.