Home / 3,738.96-5,603.58-2,005.56

Finding the Fourth Proportional to 3,738.96, 5,603.58 and 2,005.56

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Solution

The fourth proportional to 3,738.96, 5,603.58 and 2,005.56 is: 3,005.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738.96 : 5,603.58 = 2,005.56 : x
  2. Step 2: Convert to fraction form
    3,738.96/5,603.58 = 2,005.56/x
  3. Step 3: Cross multiply
    3,738.96x = 5,603.58 × 2,005.56
  4. Step 4: Simplify right side
    3,738.96x = 11,238,315.90
  5. Step 5: Solve for x
    x = 11,238,315.90/3,738.96
  6. Step 6: Final answer
    x = 3,005.73

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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.