Home / 1,913.48-2,865.66-1,180.83

Finding the Fourth Proportional to 1,913.48, 2,865.66 and 1,180.83

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Solution

The fourth proportional to 1,913.48, 2,865.66 and 1,180.83 is: 1,768.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913.48 : 2,865.66 = 1,180.83 : x
  2. Step 2: Convert to fraction form
    1,913.48/2,865.66 = 1,180.83/x
  3. Step 3: Cross multiply
    1,913.48x = 2,865.66 × 1,180.83
  4. Step 4: Simplify right side
    1,913.48x = 3,383,857.30
  5. Step 5: Solve for x
    x = 3,383,857.30/1,913.48
  6. Step 6: Final answer
    x = 1,768.43

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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.