Home / 3,582.11-4,942.13-2,166.23

Finding the Fourth Proportional to 3,582.11, 4,942.13 and 2,166.23

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Solution

The fourth proportional to 3,582.11, 4,942.13 and 2,166.23 is: 2,988.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,582.11 : 4,942.13 = 2,166.23 : x
  2. Step 2: Convert to fraction form
    3,582.11/4,942.13 = 2,166.23/x
  3. Step 3: Cross multiply
    3,582.11x = 4,942.13 × 2,166.23
  4. Step 4: Simplify right side
    3,582.11x = 10,705,790.27
  5. Step 5: Solve for x
    x = 10,705,790.27/3,582.11
  6. Step 6: Final answer
    x = 2,988.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.