Home / 3,260.16-4,499.28-1,863.36

Finding the Fourth Proportional to 3,260.16, 4,499.28 and 1,863.36

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Solution

The fourth proportional to 3,260.16, 4,499.28 and 1,863.36 is: 2,571.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.16 : 4,499.28 = 1,863.36 : x
  2. Step 2: Convert to fraction form
    3,260.16/4,499.28 = 1,863.36/x
  3. Step 3: Cross multiply
    3,260.16x = 4,499.28 × 1,863.36
  4. Step 4: Simplify right side
    3,260.16x = 8,383,778.38
  5. Step 5: Solve for x
    x = 8,383,778.38/3,260.16
  6. Step 6: Final answer
    x = 2,571.58

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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.