Home / 3,022.11-4,528.84-1,720.89

Finding the Fourth Proportional to 3,022.11, 4,528.84 and 1,720.89

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Solution

The fourth proportional to 3,022.11, 4,528.84 and 1,720.89 is: 2,578.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.11 : 4,528.84 = 1,720.89 : x
  2. Step 2: Convert to fraction form
    3,022.11/4,528.84 = 1,720.89/x
  3. Step 3: Cross multiply
    3,022.11x = 4,528.84 × 1,720.89
  4. Step 4: Simplify right side
    3,022.11x = 7,793,608.52
  5. Step 5: Solve for x
    x = 7,793,608.52/3,022.11
  6. Step 6: Final answer
    x = 2,578.87

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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.