Home / 3,738.19-5,607.28-1,105.73

Finding the Fourth Proportional to 3,738.19, 5,607.28 and 1,105.73

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Solution

The fourth proportional to 3,738.19, 5,607.28 and 1,105.73 is: 1,658.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738.19 : 5,607.28 = 1,105.73 : x
  2. Step 2: Convert to fraction form
    3,738.19/5,607.28 = 1,105.73/x
  3. Step 3: Cross multiply
    3,738.19x = 5,607.28 × 1,105.73
  4. Step 4: Simplify right side
    3,738.19x = 6,200,137.71
  5. Step 5: Solve for x
    x = 6,200,137.71/3,738.19
  6. Step 6: Final answer
    x = 1,658.59

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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.