Home / 3,789.18-5,226.66-2,608.20

Finding the Fourth Proportional to 3,789.18, 5,226.66 and 2,608.20

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Solution

The fourth proportional to 3,789.18, 5,226.66 and 2,608.20 is: 3,597.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789.18 : 5,226.66 = 2,608.20 : x
  2. Step 2: Convert to fraction form
    3,789.18/5,226.66 = 2,608.20/x
  3. Step 3: Cross multiply
    3,789.18x = 5,226.66 × 2,608.20
  4. Step 4: Simplify right side
    3,789.18x = 13,632,174.61
  5. Step 5: Solve for x
    x = 13,632,174.61/3,789.18
  6. Step 6: Final answer
    x = 3,597.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.