Home / 3,184.48-4,778.88-1,236.43

Finding the Fourth Proportional to 3,184.48, 4,778.88 and 1,236.43

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Solution

The fourth proportional to 3,184.48, 4,778.88 and 1,236.43 is: 1,855.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.48 : 4,778.88 = 1,236.43 : x
  2. Step 2: Convert to fraction form
    3,184.48/4,778.88 = 1,236.43/x
  3. Step 3: Cross multiply
    3,184.48x = 4,778.88 × 1,236.43
  4. Step 4: Simplify right side
    3,184.48x = 5,908,750.60
  5. Step 5: Solve for x
    x = 5,908,750.60/3,184.48
  6. Step 6: Final answer
    x = 1,855.48

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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.