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Finding the Fourth Proportional to 3,775.66, 5,658.83 and 2,739.22

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Solution

The fourth proportional to 3,775.66, 5,658.83 and 2,739.22 is: 4,105.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,775.66 : 5,658.83 = 2,739.22 : x
  2. Step 2: Convert to fraction form
    3,775.66/5,658.83 = 2,739.22/x
  3. Step 3: Cross multiply
    3,775.66x = 5,658.83 × 2,739.22
  4. Step 4: Simplify right side
    3,775.66x = 15,500,780.31
  5. Step 5: Solve for x
    x = 15,500,780.31/3,775.66
  6. Step 6: Final answer
    x = 4,105.45

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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.