Home / 3,825.12-5,277.58-2,481.11

Finding the Fourth Proportional to 3,825.12, 5,277.58 and 2,481.11

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Solution

The fourth proportional to 3,825.12, 5,277.58 and 2,481.11 is: 3,423.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825.12 : 5,277.58 = 2,481.11 : x
  2. Step 2: Convert to fraction form
    3,825.12/5,277.58 = 2,481.11/x
  3. Step 3: Cross multiply
    3,825.12x = 5,277.58 × 2,481.11
  4. Step 4: Simplify right side
    3,825.12x = 13,094,235.85
  5. Step 5: Solve for x
    x = 13,094,235.85/3,825.12
  6. Step 6: Final answer
    x = 3,423.22

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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.