Home / 3,178.27-4,768.77-1,536.05

Finding the Fourth Proportional to 3,178.27, 4,768.77 and 1,536.05

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Solution

The fourth proportional to 3,178.27, 4,768.77 and 1,536.05 is: 2,304.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178.27 : 4,768.77 = 1,536.05 : x
  2. Step 2: Convert to fraction form
    3,178.27/4,768.77 = 1,536.05/x
  3. Step 3: Cross multiply
    3,178.27x = 4,768.77 × 1,536.05
  4. Step 4: Simplify right side
    3,178.27x = 7,325,069.16
  5. Step 5: Solve for x
    x = 7,325,069.16/3,178.27
  6. Step 6: Final answer
    x = 2,304.73

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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.