Home / 3,026.67-4,177.20-1,767.79

Finding the Fourth Proportional to 3,026.67, 4,177.20 and 1,767.79

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Solution

The fourth proportional to 3,026.67, 4,177.20 and 1,767.79 is: 2,439.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,026.67 : 4,177.20 = 1,767.79 : x
  2. Step 2: Convert to fraction form
    3,026.67/4,177.20 = 1,767.79/x
  3. Step 3: Cross multiply
    3,026.67x = 4,177.20 × 1,767.79
  4. Step 4: Simplify right side
    3,026.67x = 7,384,412.39
  5. Step 5: Solve for x
    x = 7,384,412.39/3,026.67
  6. Step 6: Final answer
    x = 2,439.78

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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.