Home / 3,336.33-5,001.78-1,389.99

Finding the Fourth Proportional to 3,336.33, 5,001.78 and 1,389.99

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Solution

The fourth proportional to 3,336.33, 5,001.78 and 1,389.99 is: 2,083.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,336.33 : 5,001.78 = 1,389.99 : x
  2. Step 2: Convert to fraction form
    3,336.33/5,001.78 = 1,389.99/x
  3. Step 3: Cross multiply
    3,336.33x = 5,001.78 × 1,389.99
  4. Step 4: Simplify right side
    3,336.33x = 6,952,424.18
  5. Step 5: Solve for x
    x = 6,952,424.18/3,336.33
  6. Step 6: Final answer
    x = 2,083.85

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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.