Home / 2,315.88-3,469.94-2,225.96

Finding the Fourth Proportional to 2,315.88, 3,469.94 and 2,225.96

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Solution

The fourth proportional to 2,315.88, 3,469.94 and 2,225.96 is: 3,335.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315.88 : 3,469.94 = 2,225.96 : x
  2. Step 2: Convert to fraction form
    2,315.88/3,469.94 = 2,225.96/x
  3. Step 3: Cross multiply
    2,315.88x = 3,469.94 × 2,225.96
  4. Step 4: Simplify right side
    2,315.88x = 7,723,947.64
  5. Step 5: Solve for x
    x = 7,723,947.64/2,315.88
  6. Step 6: Final answer
    x = 3,335.21

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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.