Home / 3,328.28-4,991.16-1,106.70

Finding the Fourth Proportional to 3,328.28, 4,991.16 and 1,106.70

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Solution

The fourth proportional to 3,328.28, 4,991.16 and 1,106.70 is: 1,659.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.28 : 4,991.16 = 1,106.70 : x
  2. Step 2: Convert to fraction form
    3,328.28/4,991.16 = 1,106.70/x
  3. Step 3: Cross multiply
    3,328.28x = 4,991.16 × 1,106.70
  4. Step 4: Simplify right side
    3,328.28x = 5,523,716.77
  5. Step 5: Solve for x
    x = 5,523,716.77/3,328.28
  6. Step 6: Final answer
    x = 1,659.63

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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.