Home / 3,217.90-4,828.20-2,299.36

Finding the Fourth Proportional to 3,217.90, 4,828.20 and 2,299.36

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Solution

The fourth proportional to 3,217.90, 4,828.20 and 2,299.36 is: 3,450.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.90 : 4,828.20 = 2,299.36 : x
  2. Step 2: Convert to fraction form
    3,217.90/4,828.20 = 2,299.36/x
  3. Step 3: Cross multiply
    3,217.90x = 4,828.20 × 2,299.36
  4. Step 4: Simplify right side
    3,217.90x = 11,101,769.95
  5. Step 5: Solve for x
    x = 11,101,769.95/3,217.90
  6. Step 6: Final answer
    x = 3,450.00

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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.