Home / 3,454.53-5,180.48-1,113.94

Finding the Fourth Proportional to 3,454.53, 5,180.48 and 1,113.94

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Solution

The fourth proportional to 3,454.53, 5,180.48 and 1,113.94 is: 1,670.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.53 : 5,180.48 = 1,113.94 : x
  2. Step 2: Convert to fraction form
    3,454.53/5,180.48 = 1,113.94/x
  3. Step 3: Cross multiply
    3,454.53x = 5,180.48 × 1,113.94
  4. Step 4: Simplify right side
    3,454.53x = 5,770,725.37
  5. Step 5: Solve for x
    x = 5,770,725.37/3,454.53
  6. Step 6: Final answer
    x = 1,670.48

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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.