Home / 3,269.36-4,901.28-1,419.09

Finding the Fourth Proportional to 3,269.36, 4,901.28 and 1,419.09

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Solution

The fourth proportional to 3,269.36, 4,901.28 and 1,419.09 is: 2,127.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.36 : 4,901.28 = 1,419.09 : x
  2. Step 2: Convert to fraction form
    3,269.36/4,901.28 = 1,419.09/x
  3. Step 3: Cross multiply
    3,269.36x = 4,901.28 × 1,419.09
  4. Step 4: Simplify right side
    3,269.36x = 6,955,325.83
  5. Step 5: Solve for x
    x = 6,955,325.83/3,269.36
  6. Step 6: Final answer
    x = 2,127.43

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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.