Home / 3,581.49-4,942.14-2,089.54

Finding the Fourth Proportional to 3,581.49, 4,942.14 and 2,089.54

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Solution

The fourth proportional to 3,581.49, 4,942.14 and 2,089.54 is: 2,883.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.49 : 4,942.14 = 2,089.54 : x
  2. Step 2: Convert to fraction form
    3,581.49/4,942.14 = 2,089.54/x
  3. Step 3: Cross multiply
    3,581.49x = 4,942.14 × 2,089.54
  4. Step 4: Simplify right side
    3,581.49x = 10,326,799.22
  5. Step 5: Solve for x
    x = 10,326,799.22/3,581.49
  6. Step 6: Final answer
    x = 2,883.38

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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.