Home / 3,454.70-5,180.81-1,976.04

Finding the Fourth Proportional to 3,454.70, 5,180.81 and 1,976.04

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Solution

The fourth proportional to 3,454.70, 5,180.81 and 1,976.04 is: 2,963.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.70 : 5,180.81 = 1,976.04 : x
  2. Step 2: Convert to fraction form
    3,454.70/5,180.81 = 1,976.04/x
  3. Step 3: Cross multiply
    3,454.70x = 5,180.81 × 1,976.04
  4. Step 4: Simplify right side
    3,454.70x = 10,237,477.91
  5. Step 5: Solve for x
    x = 10,237,477.91/3,454.70
  6. Step 6: Final answer
    x = 2,963.35

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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.