Home / 3,028-4,178.67-1,769.92

Finding the Fourth Proportional to 3,028, 4,178.67 and 1,769.92

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Solution

The fourth proportional to 3,028, 4,178.67 and 1,769.92 is: 2,442.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028 : 4,178.67 = 1,769.92 : x
  2. Step 2: Convert to fraction form
    3,028/4,178.67 = 1,769.92/x
  3. Step 3: Cross multiply
    3,028x = 4,178.67 × 1,769.92
  4. Step 4: Simplify right side
    3,028x = 7,395,911.61
  5. Step 5: Solve for x
    x = 7,395,911.61/3,028
  6. Step 6: Final answer
    x = 2,442.51

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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.