Home / 3,974.02-5,961.68-1,341.78

Finding the Fourth Proportional to 3,974.02, 5,961.68 and 1,341.78

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Solution

The fourth proportional to 3,974.02, 5,961.68 and 1,341.78 is: 2,012.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.02 : 5,961.68 = 1,341.78 : x
  2. Step 2: Convert to fraction form
    3,974.02/5,961.68 = 1,341.78/x
  3. Step 3: Cross multiply
    3,974.02x = 5,961.68 × 1,341.78
  4. Step 4: Simplify right side
    3,974.02x = 7,999,262.99
  5. Step 5: Solve for x
    x = 7,999,262.99/3,974.02
  6. Step 6: Final answer
    x = 2,012.89

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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.