Home / 3,327.29-4,990.29-1,105.77

Finding the Fourth Proportional to 3,327.29, 4,990.29 and 1,105.77

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Solution

The fourth proportional to 3,327.29, 4,990.29 and 1,105.77 is: 1,658.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,327.29 : 4,990.29 = 1,105.77 : x
  2. Step 2: Convert to fraction form
    3,327.29/4,990.29 = 1,105.77/x
  3. Step 3: Cross multiply
    3,327.29x = 4,990.29 × 1,105.77
  4. Step 4: Simplify right side
    3,327.29x = 5,518,112.97
  5. Step 5: Solve for x
    x = 5,518,112.97/3,327.29
  6. Step 6: Final answer
    x = 1,658.44

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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.