Home / 3,005.24-4,145.15-2,757.38

Finding the Fourth Proportional to 3,005.24, 4,145.15 and 2,757.38

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Solution

The fourth proportional to 3,005.24, 4,145.15 and 2,757.38 is: 3,803.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.24 : 4,145.15 = 2,757.38 : x
  2. Step 2: Convert to fraction form
    3,005.24/4,145.15 = 2,757.38/x
  3. Step 3: Cross multiply
    3,005.24x = 4,145.15 × 2,757.38
  4. Step 4: Simplify right side
    3,005.24x = 11,429,739.92
  5. Step 5: Solve for x
    x = 11,429,739.92/3,005.24
  6. Step 6: Final answer
    x = 3,803.27

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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.