Home / 3,474.56-5,208.96-2,431.60

Finding the Fourth Proportional to 3,474.56, 5,208.96 and 2,431.60

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Solution

The fourth proportional to 3,474.56, 5,208.96 and 2,431.60 is: 3,645.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474.56 : 5,208.96 = 2,431.60 : x
  2. Step 2: Convert to fraction form
    3,474.56/5,208.96 = 2,431.60/x
  3. Step 3: Cross multiply
    3,474.56x = 5,208.96 × 2,431.60
  4. Step 4: Simplify right side
    3,474.56x = 12,666,107.14
  5. Step 5: Solve for x
    x = 12,666,107.14/3,474.56
  6. Step 6: Final answer
    x = 3,645.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.