Home / 3,328.80-4,993.68-1,020.48

Finding the Fourth Proportional to 3,328.80, 4,993.68 and 1,020.48

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Solution

The fourth proportional to 3,328.80, 4,993.68 and 1,020.48 is: 1,530.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.80 : 4,993.68 = 1,020.48 : x
  2. Step 2: Convert to fraction form
    3,328.80/4,993.68 = 1,020.48/x
  3. Step 3: Cross multiply
    3,328.80x = 4,993.68 × 1,020.48
  4. Step 4: Simplify right side
    3,328.80x = 5,095,950.57
  5. Step 5: Solve for x
    x = 5,095,950.57/3,328.80
  6. Step 6: Final answer
    x = 1,530.87

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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.