Home / 3,179.83-4,769.66-1,424.36

Finding the Fourth Proportional to 3,179.83, 4,769.66 and 1,424.36

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Solution

The fourth proportional to 3,179.83, 4,769.66 and 1,424.36 is: 2,136.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.83 : 4,769.66 = 1,424.36 : x
  2. Step 2: Convert to fraction form
    3,179.83/4,769.66 = 1,424.36/x
  3. Step 3: Cross multiply
    3,179.83x = 4,769.66 × 1,424.36
  4. Step 4: Simplify right side
    3,179.83x = 6,793,685.51
  5. Step 5: Solve for x
    x = 6,793,685.51/3,179.83
  6. Step 6: Final answer
    x = 2,136.49

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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.