Home / 3,199.42-4,790.82-2,740.15

Finding the Fourth Proportional to 3,199.42, 4,790.82 and 2,740.15

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Solution

The fourth proportional to 3,199.42, 4,790.82 and 2,740.15 is: 4,103.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.42 : 4,790.82 = 2,740.15 : x
  2. Step 2: Convert to fraction form
    3,199.42/4,790.82 = 2,740.15/x
  3. Step 3: Cross multiply
    3,199.42x = 4,790.82 × 2,740.15
  4. Step 4: Simplify right side
    3,199.42x = 13,127,565.42
  5. Step 5: Solve for x
    x = 13,127,565.42/3,199.42
  6. Step 6: Final answer
    x = 4,103.11

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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.