Home / 3,174.06-4,761.85-1,324.15

Finding the Fourth Proportional to 3,174.06, 4,761.85 and 1,324.15

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Solution

The fourth proportional to 3,174.06, 4,761.85 and 1,324.15 is: 1,986.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.06 : 4,761.85 = 1,324.15 : x
  2. Step 2: Convert to fraction form
    3,174.06/4,761.85 = 1,324.15/x
  3. Step 3: Cross multiply
    3,174.06x = 4,761.85 × 1,324.15
  4. Step 4: Simplify right side
    3,174.06x = 6,305,392.81
  5. Step 5: Solve for x
    x = 6,305,392.81/3,174.06
  6. Step 6: Final answer
    x = 1,986.54

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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.