Home / 3,380.56-4,669.32-2,556.24

Finding the Fourth Proportional to 3,380.56, 4,669.32 and 2,556.24

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Solution

The fourth proportional to 3,380.56, 4,669.32 and 2,556.24 is: 3,530.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.56 : 4,669.32 = 2,556.24 : x
  2. Step 2: Convert to fraction form
    3,380.56/4,669.32 = 2,556.24/x
  3. Step 3: Cross multiply
    3,380.56x = 4,669.32 × 2,556.24
  4. Step 4: Simplify right side
    3,380.56x = 11,935,902.56
  5. Step 5: Solve for x
    x = 11,935,902.56/3,380.56
  6. Step 6: Final answer
    x = 3,530.75

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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.