Home / 3,710.52-5,118.78-2,217.69

Finding the Fourth Proportional to 3,710.52, 5,118.78 and 2,217.69

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Solution

The fourth proportional to 3,710.52, 5,118.78 and 2,217.69 is: 3,059.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710.52 : 5,118.78 = 2,217.69 : x
  2. Step 2: Convert to fraction form
    3,710.52/5,118.78 = 2,217.69/x
  3. Step 3: Cross multiply
    3,710.52x = 5,118.78 × 2,217.69
  4. Step 4: Simplify right side
    3,710.52x = 11,351,867.22
  5. Step 5: Solve for x
    x = 11,351,867.22/3,710.52
  6. Step 6: Final answer
    x = 3,059.37

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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.