Home / 3,925.25-5,419.58-2,747.92

Finding the Fourth Proportional to 3,925.25, 5,419.58 and 2,747.92

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Solution

The fourth proportional to 3,925.25, 5,419.58 and 2,747.92 is: 3,794.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925.25 : 5,419.58 = 2,747.92 : x
  2. Step 2: Convert to fraction form
    3,925.25/5,419.58 = 2,747.92/x
  3. Step 3: Cross multiply
    3,925.25x = 5,419.58 × 2,747.92
  4. Step 4: Simplify right side
    3,925.25x = 14,892,572.27
  5. Step 5: Solve for x
    x = 14,892,572.27/3,925.25
  6. Step 6: Final answer
    x = 3,794.04

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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.