Home / 3,727.30-5,138.25-2,604.75

Finding the Fourth Proportional to 3,727.30, 5,138.25 and 2,604.75

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Solution

The fourth proportional to 3,727.30, 5,138.25 and 2,604.75 is: 3,590.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.30 : 5,138.25 = 2,604.75 : x
  2. Step 2: Convert to fraction form
    3,727.30/5,138.25 = 2,604.75/x
  3. Step 3: Cross multiply
    3,727.30x = 5,138.25 × 2,604.75
  4. Step 4: Simplify right side
    3,727.30x = 13,383,851.03
  5. Step 5: Solve for x
    x = 13,383,851.03/3,727.30
  6. Step 6: Final answer
    x = 3,590.77

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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.