Home / 3,324.18-4,989.91-1,377.75

Finding the Fourth Proportional to 3,324.18, 4,989.91 and 1,377.75

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Solution

The fourth proportional to 3,324.18, 4,989.91 and 1,377.75 is: 2,068.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324.18 : 4,989.91 = 1,377.75 : x
  2. Step 2: Convert to fraction form
    3,324.18/4,989.91 = 1,377.75/x
  3. Step 3: Cross multiply
    3,324.18x = 4,989.91 × 1,377.75
  4. Step 4: Simplify right side
    3,324.18x = 6,874,843.45
  5. Step 5: Solve for x
    x = 6,874,843.45/3,324.18
  6. Step 6: Final answer
    x = 2,068.13

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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.