Home / 3,119.15-4,676.56-1,170.83

Finding the Fourth Proportional to 3,119.15, 4,676.56 and 1,170.83

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Solution

The fourth proportional to 3,119.15, 4,676.56 and 1,170.83 is: 1,755.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.15 : 4,676.56 = 1,170.83 : x
  2. Step 2: Convert to fraction form
    3,119.15/4,676.56 = 1,170.83/x
  3. Step 3: Cross multiply
    3,119.15x = 4,676.56 × 1,170.83
  4. Step 4: Simplify right side
    3,119.15x = 5,475,456.74
  5. Step 5: Solve for x
    x = 5,475,456.74/3,119.15
  6. Step 6: Final answer
    x = 1,755.43

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1.5x scale

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.