Home / 2,761.34-4,142.77-1,119.04

Finding the Fourth Proportional to 2,761.34, 4,142.77 and 1,119.04

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Solution

The fourth proportional to 2,761.34, 4,142.77 and 1,119.04 is: 1,678.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761.34 : 4,142.77 = 1,119.04 : x
  2. Step 2: Convert to fraction form
    2,761.34/4,142.77 = 1,119.04/x
  3. Step 3: Cross multiply
    2,761.34x = 4,142.77 × 1,119.04
  4. Step 4: Simplify right side
    2,761.34x = 4,635,926.99
  5. Step 5: Solve for x
    x = 4,635,926.99/2,761.34
  6. Step 6: Final answer
    x = 1,678.87

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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.