Home / 3,271.41-4,515.60-2,431.85

Finding the Fourth Proportional to 3,271.41, 4,515.60 and 2,431.85

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Solution

The fourth proportional to 3,271.41, 4,515.60 and 2,431.85 is: 3,356.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.41 : 4,515.60 = 2,431.85 : x
  2. Step 2: Convert to fraction form
    3,271.41/4,515.60 = 2,431.85/x
  3. Step 3: Cross multiply
    3,271.41x = 4,515.60 × 2,431.85
  4. Step 4: Simplify right side
    3,271.41x = 10,981,239.28
  5. Step 5: Solve for x
    x = 10,981,239.28/3,271.41
  6. Step 6: Final answer
    x = 3,356.73

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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.