Home / 3,972.76-5,959.69-1,199.12

Finding the Fourth Proportional to 3,972.76, 5,959.69 and 1,199.12

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Solution

The fourth proportional to 3,972.76, 5,959.69 and 1,199.12 is: 1,798.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.76 : 5,959.69 = 1,199.12 : x
  2. Step 2: Convert to fraction form
    3,972.76/5,959.69 = 1,199.12/x
  3. Step 3: Cross multiply
    3,972.76x = 5,959.69 × 1,199.12
  4. Step 4: Simplify right side
    3,972.76x = 7,146,350.68
  5. Step 5: Solve for x
    x = 7,146,350.68/3,972.76
  6. Step 6: Final answer
    x = 1,798.84

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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.