Home / 2,428.50-3,351.33-1,324.50

Finding the Fourth Proportional to 2,428.50, 3,351.33 and 1,324.50

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Solution

The fourth proportional to 2,428.50, 3,351.33 and 1,324.50 is: 1,827.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428.50 : 3,351.33 = 1,324.50 : x
  2. Step 2: Convert to fraction form
    2,428.50/3,351.33 = 1,324.50/x
  3. Step 3: Cross multiply
    2,428.50x = 3,351.33 × 1,324.50
  4. Step 4: Simplify right side
    2,428.50x = 4,438,836.59
  5. Step 5: Solve for x
    x = 4,438,836.59/2,428.50
  6. Step 6: Final answer
    x = 1,827.81

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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.