Home / 3,815.91-5,268.54-2,558.85

Finding the Fourth Proportional to 3,815.91, 5,268.54 and 2,558.85

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Solution

The fourth proportional to 3,815.91, 5,268.54 and 2,558.85 is: 3,532.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.91 : 5,268.54 = 2,558.85 : x
  2. Step 2: Convert to fraction form
    3,815.91/5,268.54 = 2,558.85/x
  3. Step 3: Cross multiply
    3,815.91x = 5,268.54 × 2,558.85
  4. Step 4: Simplify right side
    3,815.91x = 13,481,377.24
  5. Step 5: Solve for x
    x = 13,481,377.24/3,815.91
  6. Step 6: Final answer
    x = 3,532.94

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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.