Home / 3,119.76-4,305.06-1,793.24

Finding the Fourth Proportional to 3,119.76, 4,305.06 and 1,793.24

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Solution

The fourth proportional to 3,119.76, 4,305.06 and 1,793.24 is: 2,474.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.76 : 4,305.06 = 1,793.24 : x
  2. Step 2: Convert to fraction form
    3,119.76/4,305.06 = 1,793.24/x
  3. Step 3: Cross multiply
    3,119.76x = 4,305.06 × 1,793.24
  4. Step 4: Simplify right side
    3,119.76x = 7,720,005.79
  5. Step 5: Solve for x
    x = 7,720,005.79/3,119.76
  6. Step 6: Final answer
    x = 2,474.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.