Home / 3,455.56-5,183.97-1,374.90

Finding the Fourth Proportional to 3,455.56, 5,183.97 and 1,374.90

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Solution

The fourth proportional to 3,455.56, 5,183.97 and 1,374.90 is: 2,062.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.56 : 5,183.97 = 1,374.90 : x
  2. Step 2: Convert to fraction form
    3,455.56/5,183.97 = 1,374.90/x
  3. Step 3: Cross multiply
    3,455.56x = 5,183.97 × 1,374.90
  4. Step 4: Simplify right side
    3,455.56x = 7,127,440.35
  5. Step 5: Solve for x
    x = 7,127,440.35/3,455.56
  6. Step 6: Final answer
    x = 2,062.60

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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.