Home / 3,109.44-4,664.82-1,029.90

Finding the Fourth Proportional to 3,109.44, 4,664.82 and 1,029.90

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Solution

The fourth proportional to 3,109.44, 4,664.82 and 1,029.90 is: 1,545.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109.44 : 4,664.82 = 1,029.90 : x
  2. Step 2: Convert to fraction form
    3,109.44/4,664.82 = 1,029.90/x
  3. Step 3: Cross multiply
    3,109.44x = 4,664.82 × 1,029.90
  4. Step 4: Simplify right side
    3,109.44x = 4,804,298.12
  5. Step 5: Solve for x
    x = 4,804,298.12/3,109.44
  6. Step 6: Final answer
    x = 1,545.07

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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.