Home / 3,407.37-5,114.70-2,765.85

Finding the Fourth Proportional to 3,407.37, 5,114.70 and 2,765.85

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Solution

The fourth proportional to 3,407.37, 5,114.70 and 2,765.85 is: 4,151.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407.37 : 5,114.70 = 2,765.85 : x
  2. Step 2: Convert to fraction form
    3,407.37/5,114.70 = 2,765.85/x
  3. Step 3: Cross multiply
    3,407.37x = 5,114.70 × 2,765.85
  4. Step 4: Simplify right side
    3,407.37x = 14,146,493.00
  5. Step 5: Solve for x
    x = 14,146,493.00/3,407.37
  6. Step 6: Final answer
    x = 4,151.73

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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.