Home / 3,238.74-4,469.49-1,822.50

Finding the Fourth Proportional to 3,238.74, 4,469.49 and 1,822.50

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Solution

The fourth proportional to 3,238.74, 4,469.49 and 1,822.50 is: 2,515.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238.74 : 4,469.49 = 1,822.50 : x
  2. Step 2: Convert to fraction form
    3,238.74/4,469.49 = 1,822.50/x
  3. Step 3: Cross multiply
    3,238.74x = 4,469.49 × 1,822.50
  4. Step 4: Simplify right side
    3,238.74x = 8,145,645.53
  5. Step 5: Solve for x
    x = 8,145,645.53/3,238.74
  6. Step 6: Final answer
    x = 2,515.07

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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.