Home / 3,260.67-4,499.78-1,863.42

Finding the Fourth Proportional to 3,260.67, 4,499.78 and 1,863.42

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Solution

The fourth proportional to 3,260.67, 4,499.78 and 1,863.42 is: 2,571.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.67 : 4,499.78 = 1,863.42 : x
  2. Step 2: Convert to fraction form
    3,260.67/4,499.78 = 1,863.42/x
  3. Step 3: Cross multiply
    3,260.67x = 4,499.78 × 1,863.42
  4. Step 4: Simplify right side
    3,260.67x = 8,384,980.05
  5. Step 5: Solve for x
    x = 8,384,980.05/3,260.67
  6. Step 6: Final answer
    x = 2,571.55

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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.