Home / 2,382.45-3,556.13-2,211.27

Finding the Fourth Proportional to 2,382.45, 3,556.13 and 2,211.27

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Solution

The fourth proportional to 2,382.45, 3,556.13 and 2,211.27 is: 3,300.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,382.45 : 3,556.13 = 2,211.27 : x
  2. Step 2: Convert to fraction form
    2,382.45/3,556.13 = 2,211.27/x
  3. Step 3: Cross multiply
    2,382.45x = 3,556.13 × 2,211.27
  4. Step 4: Simplify right side
    2,382.45x = 7,863,563.59
  5. Step 5: Solve for x
    x = 7,863,563.59/2,382.45
  6. Step 6: Final answer
    x = 3,300.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.