Home / 3,178.09-4,765.64-1,176.14

Finding the Fourth Proportional to 3,178.09, 4,765.64 and 1,176.14

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Solution

The fourth proportional to 3,178.09, 4,765.64 and 1,176.14 is: 1,763.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178.09 : 4,765.64 = 1,176.14 : x
  2. Step 2: Convert to fraction form
    3,178.09/4,765.64 = 1,176.14/x
  3. Step 3: Cross multiply
    3,178.09x = 4,765.64 × 1,176.14
  4. Step 4: Simplify right side
    3,178.09x = 5,605,048.98
  5. Step 5: Solve for x
    x = 5,605,048.98/3,178.09
  6. Step 6: Final answer
    x = 1,763.65

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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.