Home / 3,269.61-4,901.64-1,419.33

Finding the Fourth Proportional to 3,269.61, 4,901.64 and 1,419.33

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Solution

The fourth proportional to 3,269.61, 4,901.64 and 1,419.33 is: 2,127.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.61 : 4,901.64 = 1,419.33 : x
  2. Step 2: Convert to fraction form
    3,269.61/4,901.64 = 1,419.33/x
  3. Step 3: Cross multiply
    3,269.61x = 4,901.64 × 1,419.33
  4. Step 4: Simplify right side
    3,269.61x = 6,957,044.70
  5. Step 5: Solve for x
    x = 6,957,044.70/3,269.61
  6. Step 6: Final answer
    x = 2,127.79

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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.