Home / 3,178.73-4,765.34-1,536.44

Finding the Fourth Proportional to 3,178.73, 4,765.34 and 1,536.44

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Solution

The fourth proportional to 3,178.73, 4,765.34 and 1,536.44 is: 2,303.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178.73 : 4,765.34 = 1,536.44 : x
  2. Step 2: Convert to fraction form
    3,178.73/4,765.34 = 1,536.44/x
  3. Step 3: Cross multiply
    3,178.73x = 4,765.34 × 1,536.44
  4. Step 4: Simplify right side
    3,178.73x = 7,321,639.00
  5. Step 5: Solve for x
    x = 7,321,639.00/3,178.73
  6. Step 6: Final answer
    x = 2,303.32

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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.