Home / 3,131.70-4,698.36-1,183.92

Finding the Fourth Proportional to 3,131.70, 4,698.36 and 1,183.92

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Solution

The fourth proportional to 3,131.70, 4,698.36 and 1,183.92 is: 1,776.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131.70 : 4,698.36 = 1,183.92 : x
  2. Step 2: Convert to fraction form
    3,131.70/4,698.36 = 1,183.92/x
  3. Step 3: Cross multiply
    3,131.70x = 4,698.36 × 1,183.92
  4. Step 4: Simplify right side
    3,131.70x = 5,562,482.37
  5. Step 5: Solve for x
    x = 5,562,482.37/3,131.70
  6. Step 6: Final answer
    x = 1,776.19

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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.