Home / 3,319.44-4,975.64-1,238.12

Finding the Fourth Proportional to 3,319.44, 4,975.64 and 1,238.12

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Solution

The fourth proportional to 3,319.44, 4,975.64 and 1,238.12 is: 1,855.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.44 : 4,975.64 = 1,238.12 : x
  2. Step 2: Convert to fraction form
    3,319.44/4,975.64 = 1,238.12/x
  3. Step 3: Cross multiply
    3,319.44x = 4,975.64 × 1,238.12
  4. Step 4: Simplify right side
    3,319.44x = 6,160,439.40
  5. Step 5: Solve for x
    x = 6,160,439.40/3,319.44
  6. Step 6: Final answer
    x = 1,855.87

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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.