Home / 3,178.58-4,769.69-1,719.36

Finding the Fourth Proportional to 3,178.58, 4,769.69 and 1,719.36

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Solution

The fourth proportional to 3,178.58, 4,769.69 and 1,719.36 is: 2,580.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178.58 : 4,769.69 = 1,719.36 : x
  2. Step 2: Convert to fraction form
    3,178.58/4,769.69 = 1,719.36/x
  3. Step 3: Cross multiply
    3,178.58x = 4,769.69 × 1,719.36
  4. Step 4: Simplify right side
    3,178.58x = 8,200,805.60
  5. Step 5: Solve for x
    x = 8,200,805.60/3,178.58
  6. Step 6: Final answer
    x = 2,580.03

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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.