Home / 2,988.68-4,481.78-1,233.94

Finding the Fourth Proportional to 2,988.68, 4,481.78 and 1,233.94

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Solution

The fourth proportional to 2,988.68, 4,481.78 and 1,233.94 is: 1,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.68 : 4,481.78 = 1,233.94 : x
  2. Step 2: Convert to fraction form
    2,988.68/4,481.78 = 1,233.94/x
  3. Step 3: Cross multiply
    2,988.68x = 4,481.78 × 1,233.94
  4. Step 4: Simplify right side
    2,988.68x = 5,530,247.61
  5. Step 5: Solve for x
    x = 5,530,247.61/2,988.68
  6. Step 6: Final answer
    x = 1,850.40

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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.