Home / 3,057.29-4,581.79-2,189.69

Finding the Fourth Proportional to 3,057.29, 4,581.79 and 2,189.69

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Solution

The fourth proportional to 3,057.29, 4,581.79 and 2,189.69 is: 3,281.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057.29 : 4,581.79 = 2,189.69 : x
  2. Step 2: Convert to fraction form
    3,057.29/4,581.79 = 2,189.69/x
  3. Step 3: Cross multiply
    3,057.29x = 4,581.79 × 2,189.69
  4. Step 4: Simplify right side
    3,057.29x = 10,032,699.75
  5. Step 5: Solve for x
    x = 10,032,699.75/3,057.29
  6. Step 6: Final answer
    x = 3,281.57

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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.