Home / 3,179.07-4,769.08-1,098.52

Finding the Fourth Proportional to 3,179.07, 4,769.08 and 1,098.52

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Solution

The fourth proportional to 3,179.07, 4,769.08 and 1,098.52 is: 1,647.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.07 : 4,769.08 = 1,098.52 : x
  2. Step 2: Convert to fraction form
    3,179.07/4,769.08 = 1,098.52/x
  3. Step 3: Cross multiply
    3,179.07x = 4,769.08 × 1,098.52
  4. Step 4: Simplify right side
    3,179.07x = 5,238,929.76
  5. Step 5: Solve for x
    x = 5,238,929.76/3,179.07
  6. Step 6: Final answer
    x = 1,647.94

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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.