Home / 3,860.57-5,790.86-2,711.45

Finding the Fourth Proportional to 3,860.57, 5,790.86 and 2,711.45

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Solution

The fourth proportional to 3,860.57, 5,790.86 and 2,711.45 is: 4,067.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.57 : 5,790.86 = 2,711.45 : x
  2. Step 2: Convert to fraction form
    3,860.57/5,790.86 = 2,711.45/x
  3. Step 3: Cross multiply
    3,860.57x = 5,790.86 × 2,711.45
  4. Step 4: Simplify right side
    3,860.57x = 15,701,627.35
  5. Step 5: Solve for x
    x = 15,701,627.35/3,860.57
  6. Step 6: Final answer
    x = 4,067.18

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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.