Home / 3,388.68-4,676.70-2,062.74

Finding the Fourth Proportional to 3,388.68, 4,676.70 and 2,062.74

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Solution

The fourth proportional to 3,388.68, 4,676.70 and 2,062.74 is: 2,846.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388.68 : 4,676.70 = 2,062.74 : x
  2. Step 2: Convert to fraction form
    3,388.68/4,676.70 = 2,062.74/x
  3. Step 3: Cross multiply
    3,388.68x = 4,676.70 × 2,062.74
  4. Step 4: Simplify right side
    3,388.68x = 9,646,816.16
  5. Step 5: Solve for x
    x = 9,646,816.16/3,388.68
  6. Step 6: Final answer
    x = 2,846.78

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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.