Home / 3,388.62-4,677.72-2,062.80

Finding the Fourth Proportional to 3,388.62, 4,677.72 and 2,062.80

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Solution

The fourth proportional to 3,388.62, 4,677.72 and 2,062.80 is: 2,847.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388.62 : 4,677.72 = 2,062.80 : x
  2. Step 2: Convert to fraction form
    3,388.62/4,677.72 = 2,062.80/x
  3. Step 3: Cross multiply
    3,388.62x = 4,677.72 × 2,062.80
  4. Step 4: Simplify right side
    3,388.62x = 9,649,200.82
  5. Step 5: Solve for x
    x = 9,649,200.82/3,388.62
  6. Step 6: Final answer
    x = 2,847.53

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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.