Home / 3,318.44-4,976.58-1,127.12

Finding the Fourth Proportional to 3,318.44, 4,976.58 and 1,127.12

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Solution

The fourth proportional to 3,318.44, 4,976.58 and 1,127.12 is: 1,690.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.44 : 4,976.58 = 1,127.12 : x
  2. Step 2: Convert to fraction form
    3,318.44/4,976.58 = 1,127.12/x
  3. Step 3: Cross multiply
    3,318.44x = 4,976.58 × 1,127.12
  4. Step 4: Simplify right side
    3,318.44x = 5,609,202.85
  5. Step 5: Solve for x
    x = 5,609,202.85/3,318.44
  6. Step 6: Final answer
    x = 1,690.31

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1.5x scale

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.