Home / 2,217.87-3,329.23-1,887.69

Finding the Fourth Proportional to 2,217.87, 3,329.23 and 1,887.69

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Solution

The fourth proportional to 2,217.87, 3,329.23 and 1,887.69 is: 2,833.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217.87 : 3,329.23 = 1,887.69 : x
  2. Step 2: Convert to fraction form
    2,217.87/3,329.23 = 1,887.69/x
  3. Step 3: Cross multiply
    2,217.87x = 3,329.23 × 1,887.69
  4. Step 4: Simplify right side
    2,217.87x = 6,284,554.18
  5. Step 5: Solve for x
    x = 6,284,554.18/2,217.87
  6. Step 6: Final answer
    x = 2,833.60

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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.