Home / 3,178.29-4,764.60-1,617.42

Finding the Fourth Proportional to 3,178.29, 4,764.60 and 1,617.42

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Solution

The fourth proportional to 3,178.29, 4,764.60 and 1,617.42 is: 2,424.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178.29 : 4,764.60 = 1,617.42 : x
  2. Step 2: Convert to fraction form
    3,178.29/4,764.60 = 1,617.42/x
  3. Step 3: Cross multiply
    3,178.29x = 4,764.60 × 1,617.42
  4. Step 4: Simplify right side
    3,178.29x = 7,706,359.33
  5. Step 5: Solve for x
    x = 7,706,359.33/3,178.29
  6. Step 6: Final answer
    x = 2,424.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.