Home / 2,026.08-3,039.14-639.39

Finding the Fourth Proportional to 2,026.08, 3,039.14 and 639.39

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Solution

The fourth proportional to 2,026.08, 3,039.14 and 639.39 is: 959.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,026.08 : 3,039.14 = 639.39 : x
  2. Step 2: Convert to fraction form
    2,026.08/3,039.14 = 639.39/x
  3. Step 3: Cross multiply
    2,026.08x = 3,039.14 × 639.39
  4. Step 4: Simplify right side
    2,026.08x = 1,943,195.72
  5. Step 5: Solve for x
    x = 1,943,195.72/2,026.08
  6. Step 6: Final answer
    x = 959.09

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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.