Home / 3,765.96-5,198.58-2,439.18

Finding the Fourth Proportional to 3,765.96, 5,198.58 and 2,439.18

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Solution

The fourth proportional to 3,765.96, 5,198.58 and 2,439.18 is: 3,367.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,765.96 : 5,198.58 = 2,439.18 : x
  2. Step 2: Convert to fraction form
    3,765.96/5,198.58 = 2,439.18/x
  3. Step 3: Cross multiply
    3,765.96x = 5,198.58 × 2,439.18
  4. Step 4: Simplify right side
    3,765.96x = 12,680,272.36
  5. Step 5: Solve for x
    x = 12,680,272.36/3,765.96
  6. Step 6: Final answer
    x = 3,367.08

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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.