Home / 3,581.67-4,942.58-1,988.27

Finding the Fourth Proportional to 3,581.67, 4,942.58 and 1,988.27

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Solution

The fourth proportional to 3,581.67, 4,942.58 and 1,988.27 is: 2,743.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.67 : 4,942.58 = 1,988.27 : x
  2. Step 2: Convert to fraction form
    3,581.67/4,942.58 = 1,988.27/x
  3. Step 3: Cross multiply
    3,581.67x = 4,942.58 × 1,988.27
  4. Step 4: Simplify right side
    3,581.67x = 9,827,183.54
  5. Step 5: Solve for x
    x = 9,827,183.54/3,581.67
  6. Step 6: Final answer
    x = 2,743.74

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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.