Home / 3,429.27-5,139.99-2,259.11

Finding the Fourth Proportional to 3,429.27, 5,139.99 and 2,259.11

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Solution

The fourth proportional to 3,429.27, 5,139.99 and 2,259.11 is: 3,386.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.27 : 5,139.99 = 2,259.11 : x
  2. Step 2: Convert to fraction form
    3,429.27/5,139.99 = 2,259.11/x
  3. Step 3: Cross multiply
    3,429.27x = 5,139.99 × 2,259.11
  4. Step 4: Simplify right side
    3,429.27x = 11,611,815.66
  5. Step 5: Solve for x
    x = 11,611,815.66/3,429.27
  6. Step 6: Final answer
    x = 3,386.09

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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.