Home / 3,328.05-4,992.18-1,136.76

Finding the Fourth Proportional to 3,328.05, 4,992.18 and 1,136.76

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Solution

The fourth proportional to 3,328.05, 4,992.18 and 1,136.76 is: 1,705.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.05 : 4,992.18 = 1,136.76 : x
  2. Step 2: Convert to fraction form
    3,328.05/4,992.18 = 1,136.76/x
  3. Step 3: Cross multiply
    3,328.05x = 4,992.18 × 1,136.76
  4. Step 4: Simplify right side
    3,328.05x = 5,674,910.54
  5. Step 5: Solve for x
    x = 5,674,910.54/3,328.05
  6. Step 6: Final answer
    x = 1,705.18

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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.